过滤材质必须用合成的不溶于水的材料制成，例如聚丙烯或丙烯酸烯纤维。
The filter media must be made of a synthetic, non-water, soluble material, such as polypropylene or acrylic fiber.
在IS BL装置(包括大的不间断流程)上有经验，例如气化，煤处理，气体处理，氨，甲醇，氢，烯烃，硫，聚乙烯，聚丙烯。
Experience for ISBL units could include large continuous processes such as gasification, coal processing, gas processing, ammonia, methanol, hydrogen, olefins, sulphur, polyethylene, polypropylene.
对于聚丙烯材质阀门，将字母“P”加在型号上。例如：4423 - 025p。
For Polypropylene valves, add the letter "p" to the part number (e. g. 4423-025p).
应用推荐