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Cryogenic Swing Check Valves

Cryogenic Swing Check Valves

No penetration of hinge pin to outside eliminating possibility of pin seal leakage and allowing for in-line service.
Compact cage unit: all moving parts are attached to the carrier and can be removed easily for service....

Features and benefits

Diantai's proven pressure seal design.

● No penetration of hinge pin to outside eliminating possibility of pin seal leakage and allowing for in-line service.

● Compact cage unit: all moving parts are attached to the carrier and can be removed easily for service.

● Forged seat/disc is CoCr alloy, ground and lapped to a mirror finish for maximum erosion resistance and long service life. It is seal-welded to the body.

● Disc can  partially rotate for tight shutoff. In the fully open position, it rests against a stop.

● CoCr alloy bearings for hinge pin.

● Easy in-line service. All parts are easily accessible for maintenance. Seating faces can be re-lapped.

● Forged bonnet. 


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