DH44Y American standard check valve and ball valve in low temperature difference is bigger, we can distinguish from the function to go up and ball valve and DH44Y American standard low temperature check different effects, from ball Industrial Valves and DH44Y American standard check valve structure at low temperature. 【 Functional difference between 】 DH44Y American standard check valve is suitable for the medium at low temperature the one-way flow of 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 DH44Y low temperature check valve American standard difference is bigger, ball valve, 球阀) Opening and closing is a sphere, driven by the valve stem, and for ball valve 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 】 DH44Y low temperature check valve ball valve (American standard Summary 】 DH44Y American standard 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, no matter when the design, or in the purchase, must be in strict accordance with the relevant technical requirements.
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