Check valves
Bolted Cover Swing Check Valve
For low and medium pressure service.
For use in nuclear circuits, it 's possible to weld lips between the body and the cover.
Swing check valve with pressure seal cover
Use for high pressure service.
Piston check valve with bolted cover*.
Use or loss of charge has little importance.
Small footprint.
Forged out-of-block body and removable seat.
Elastomer sealed piston check valve
Qualification : for accidental conditions (Electrabel and EDF) Active Charged Water.
Applications : dangerous fluid Enclosure insulation (nuclear power plant).
Specificities : sealing at very low pressure (20 mbar).
Wafer type check valve for nuclear application
Qualification : ASME III for Tractebel/Electrabel.
Specificities : high waterproofing.
References of standardized models - Commercial sheets -