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  -Stainless steel sanitary ball valve

• Gate valves

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• Butterfly valves

  -Metal seal butterfly valve

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• Globe valves

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• Check valves

  -Swing check valve

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  -Wafer double disc swing check valve

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• Regulating valves

  -ZZVP Self operated micro pressure regulating valve

  -ZZWP Self operated temperature regulating valve

  -ZZWPE Self operated electronic temperature control valve

  -HTS Pneumatic diaphragm regulating valve

  -ZMAX Pneumatic diaphragm high pressure angle regulating valve

  -ZJHM Pneumatic sleeve regulating valve

  -ZMAX Pneumatic diaphragm three-way regulating valve

  -ZSHV Pneumatic V-shaped regulating ball valve

  -ZJHP Pneumatic diaphragm regulating valve

  -CV3000 Pneumatic diaphragm regulating valve

  -T661Y Pneumatic feed water regulating valve

  -ZDSJ Electric high pressure angle regulating valve

  -ZDLQ、X Electronic electric three-way regulating valve

  -ZAZP Electric single seat regulating valve

  -ZDLP Electric control valve

  -ZDLM Electronic electric sleeve regulating valve

  -ZDLM Electronic electric sleeve regulating valve

  -ZDLN Electric two seat regulating valve

  -T961Y Electric multi-stage regulating valve

  -ZDLPF46 Electric fluorine plastic lined single seat regulating valve

  -ZJHPF46 Pneumatic film lined fluorine single seat regulating valve

  -ZSHO Start shut-off ball valve

  -ZSHW Pneumatic regulating butterfly valve

  -ZZYM Self operated sleeve pressure reducing valve

  -ZZYP Self operated pressure regulating valve

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• Driving devices

  -SAR partial slewing electric actuator

  -SAR partial slewing electric actuator

  -SA type multi turn electric actuator

Your location：Home - Product - Check valves

Wafer double disc swing check valve

Design standardJB/T8937

Structure lengthGB/T15188.2

Connecting flangeJB/T79、GB/T9113  HG20592

Test inspectionJB/T9092

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Product overview

Lift and swing check valves are automatically opened and closed by the force generated by the flow of the pipeline medium itself, belonging to an automatic valve. Check valve is used in pipeline system, and its main function is to prevent medium backflow and reverse rotation of pump and its driving motor. And the discharge of medium in the container. It is applicable to water, oil and steam media in various fields.

Product features

Valve body：WcB、CF8、CFBM、CF8C、CF3、CF3M

Valve disc：WCB、CF8、CF8M、CF8C、CF3、CF3M

Spring：4Cr13、60Si2Mn、1Cr18Ni9Ti、oCr18Ni12Mo2Ti

Platen：WCB、CF8、CF8M、CF8C、CF3、CF3M

Retaining ring：4Cr13、6OSi2Mn、1Cr1BNi9Ti、oCr18Ni12Mo2Ti