Generally speaking, the temperature of the working environment of the low temperature valve is very low, generally between minus 40 degrees and minus 200 degrees. Therefore, compared with other traditional types of valve products, the application environment of the low temperature valve is relatively special. Its main scope of application is in some used for storing some ethylene gas or some liquid natural gas in the installation or some storage tanks used for storage of natural gas, etc., in some air separation equipment and some separation equipment, also need to use low temperature valves; And then there is some other relatively low working temperature of working environment, as some of the gas low temperature storage tank and tank lorry, so we can see that cryogenic valves work with are some of the low temperature and liquid state of matter, such as ethylene, liquid oxygen and hydrogen, natural gas or liquefied petroleum, etc., so that at the time of transportation, There will be no combustion or explosion, and even as the temperature increases, the liquid substance will vaporize.

Because of cryogenic valves work environment is very special, so in the production of cryogenic valves, must pay close attention to its production of raw materials, choose some better quality material, because once the production of raw materials is bad, in the actual use of time, there will be some leak phenomenon, and it also can't satisfy the overall mechanical properties and strength the concrete operation requirements, Then there are some explosion hazards, so before production, the selection of appropriate materials is very key and important.

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