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Common sense of Wafer type check valveRelease Date: January 27, 2016
Wafer type check valve : It is a check valve. JD / T 8937-1999 "wafer type check valve" product standard was drafted and formulated by Chaoda Valve.
Check valve is also called check valve or check valve, its role is to prevent the medium in the pipeline from flowing backward.
The opening and closing part is opened or closed by the flow of the medium and the force to prevent the medium from flowing backward is called a check valve. Non-return valve is an automatic valve. It is mainly used for pipelines where the medium flows in one direction. It only allows the medium to flow in one direction to prevent accidents.
Wafer type check valve is suitable for nominal pressure PN1.0MPa ~ 42.0MPa, Class150-2500; nominal diameter DN15 ~ 1200mm, NPS1 / 2 ~ 48; working temperature －196 ~ 540 ℃ for various pipelines to prevent Media is flowing backwards. By using different materials, it can be applied to various media such as water, steam, oil, nitric acid, acetic acid, strong oxidizing media and urea.
The main materials are:
Carbon steel, low temperature steel, dual phase steel (F51 / F53), titanium alloy, aluminum bronze, INCONEL625, SS304, SS304L, SS316, SS316L; chrome molybdenum steel, Monel (400/500), 20 #Alloy, Hastelloy and other metal materials