Cryogenic ball valve

Cryogenic valve is one of the indispensable important equipments among petroleum chemical industry, coal chemical, air separation, natural gas,  tobacco industry ,etc... its performance and reliability directly affect the safety and economic operation of the complete set of industrial equipment. The temperature can down to -269℃,and the working pressure can reach 10 mpa,the harsh working conditions and special requirements make the cryogenic ball valve's design ,manufacture and inspection be  different from the ordinary valves.