Pressure Seal Cover Check Valve

Pressure Seal Cover Check Valve

1. normal diameter:nps 2″-24″
2. normal pressure:class 150~2500
3. suitable medium:corrosive environment, oil, gas, water
4. suitable temperature:-29℃ - 450℃
5. port type:full port / reduced port

Product Details


1. normal diameter

nps 2″-24″

2. normal pressure

class 150~2500

3. suitable medium

corrosive environment, oil, gas, water

4. suitable temperature

-29℃ - 450℃

5. port type

full port / reduced port

Features and benefits

  • The hinge pin is not penetrated to the outside, eliminating the possibility of pin seal leakage and allowing online repair.

  • Compact cage unit: All moving parts are attached to the bracket for easy removal for service.

  • The forged seat/disc is made of CoCr alloy and is ground and ground for maximum corrosion resistance and long service life. It is sealed and welded to the body.

  • The disc can be partially rotated to achieve a tight closure. In the fully open position, it stops at a stop position.

  • CoCr alloy bearing for hinge pin.

  • Easy to serve online. All parts are easy to maintain. The seat surface can be rejoined.


In industrial plants, power stations, process engineering and shipbuilding. For water, steam, gas, oil and other non-aggressive fluids. Other fluids on request.

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