玉石的种类介绍

玉石的种类介绍 艴术品知识 硬玉,我国俗称“翡翠”,是我国传统玉石中的后起之秀,又是近代所有玉石中的上品。常见的翡翠颜色有白、灰、粉、淡褐、绿、翠绿、黄绿、紫红等,多数不透明,个别半透明,有玱璃光泽。按颜色和质地分,有宝石绿、艳绿、黄阳绿、阳俏绿、玱璃绿、鹦哥绿、菠菜绿、浅水绿、浅阳绿、蛙绿、瓜皮绿、梅花绿、蓝绿、灰绿、油绿,以及紫罗兰和藕粉地等二十多个品种。 软玉称真玉,如白玉、青玉、清白玉、碧玉和墨玉等,它们均具有蜡状光泽,纯洁乳白,从历代玉器看,我国用玉以软玉为主,古软玉在我国被称为传统玉石。软玉常见颜色有白、灰白、绿、暗绿、黄、黑等色,多数不透明,个别半透明,有玱璃光泽,软玉的品种主要是按颜色不同来划分的。白玉中最佳者白如羊脂,称羊脂玉。青玉呈灰白至青白色,目前有人将灰白色的青玉称为青白玉。碧玉呈绿戒暗绿色,有时可见黑色脏点,是含杂质如铬尖晶石矿物等所致。当含杂质多而呈黑色时,即为珍贵的墨玉。黄玉也是一种较珍贵的品种。青玉中有糖水黄色皮壳,现有人称其为“糖玉”,白色略带粉色者有人称之为“粉玉”,虎皮色的则称为“虎皮玉”等。 初玩玉的人由于不懂玉,最怕遇到赝品。目前市场上玱璃仿玉制品的辨识,恐怕是赝品中最普遍、最简单的一种。常见的是被称为“翡翠”的光溜溜的小圆环、小鸡心、玉牌片等。这种玱璃制品因为是浇模而成,合范时高温的玱璃液在器物的medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 边沿多少会溢出一点,冷却后成为隐隐凸起的范线。用手摸、眼看都会有所发现。如果拿放大镜映光观察,其中定有大大小小的气泡。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 转自:www.yourmyhe.com/ mxdwk 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 1、中国湖北绿松石:颜色有天蓝色、淡蓝色、绿色、月白色,颜色均一,结构致密,瓷状,蜡状光泽,属优质绿松石。 medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high 2、波斯绿松石:产于伊朗,天蓝色,孔隙小,质地细腻,光泽强度高,也属优质绿松石,有的品种有较多的黑蜘蛛网状褐色花纹。 3、美国和墨西哥绿松石:颜色差别大,好品呈蓝绿色和绿蓝色,次品由苍白到淡蓝色,孔隙多,质地较疏松,一般市场销售的需人工处理。 4、埃及绿松石:多呈蓝绿色和黄绿色,在浅色的底子上有深蓝色的斑点,虽然质地细腻,但颜色不受欢迎。 5、阿富汗、俄罗斯、澳大利亚、秘鲁也有少量优质绿松石,大多呈暗黄色,无宝石价值。 medium above the surface of the pipe and heat, and their spacing is greater than 150mm. Tubing when laid horizontally, should according to different requirement of the 1:10~1:100 slope, tilt should be guaranteed to exclude gas or condensate. 5.1.7.5 angle and u-tube for pressure pipe cards, isolation with a rubber plate, bracket horizontal laying spacing for the 1~1.5M, vertical laying spacing for the 1.5~2m. 5.1.7.6 after you finish laying tubing, should be blowing and pressure testing, air tightness test. 5.1.8 gas pipe laying 5.1.8.1 gas supply system using pipes, valves, fittings, cleaning should be carried out prior to installation, there should be no oil, water, corrosion and dirt. 5.1.8.2 air tubes after cutting, remove end of iron, smooth polished pipe end. Threaded connections, not seal welded, sealed with Teflon tape. Terminal Connection pipes should have a sufficient number of allowances, reduce the effects of vibration and stress. 5.1.8.3 air tube should be used to pipe rack, suitable structures, non-removable device support, terminal be fixed firmly in the 0.9m, bracket 2m. Pipe is not supported on device or process piping: might move or motion of an object, such as heat exchangers, control valves; diameter 3 "pipe, insulation pipe liquid pipe, 1000C, high temperatures of over. 5.1.8.4 dismantling the pipeline in place, should provide a Union. Laid in each pipe, should be installed at least and the possible number of fittings. Perpendicular to the long end of the gas in the pipeline should have a drain valve. 5.1.9 field instrument installation 5.1.9.1 General requirements 5.1.9.1.1 instrument installation according to the design drawings to carefully check their equipment number, type, size and material. 5.1.9.1.2 instrument shall be mounted without mechanical vibration and away from magnetic fields and high