DH61Y, DH61F lift check valve and ball valve in low temperature difference is bigger, we can distinguish from the function to go up and ball valve and DH61Y, DH61F low temperature lift check valve different effects, from ball valve and DH61Y DH61F lift check valve structure up to distinguish at low temperature. 【 Functional difference between 】 DH61Y, DH61F low temperature lift check valve is suitable for the one-way flow of medium pipeline, prevent medium return, in case of an accident. Mainly used for LO2, LN2, LAr, LNG, LC2H4, ethylene, liquid oxygen, liquid hydrogen, liquid nitrogen, liquid ammonia, liquid propane gas, liquefied natural gas, liquefied petroleum products and other kinds of system of preventing backflow medium. Ball valve and DH61Y DH61F lift check valve in low temperature difference is bigger, ball valve, 球阀) Opening and closing is a sphere, driven by the valve stem, and for ball Industrial Valves axis rotate 90 & deg; Open or closed. Can also be used on regulation and control of fluid, mainly used for cutting in line, distribution, and change the flow direction of medium, good sealing, convenient operation, opening and closing fast, simple structure, small volume, small resistance, light weight, etc. 【 Physical difference between 】 DH61Y, DH61F low temperature lift check valve ball valve' Summary 】 DH61Y, DH61F lift check valve and ball valve in low temperature difference on and use function, are quite different in application, in the selection of a certain need to pay special attention to diameter, pressure, material and use of media, whether at design time, or in the purchase, must be in strict accordance with the relevant technical requirements.
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