DUO-CHEK® Cryogenic High Performance Non-Slam Check Valves

Duo-Chek® High Performance Non-Slam Dual Plate Check Valves are the original mission wafer check valves now modified to meet the requirements of Cryogenic service

Features And Benefits

Technical Details

Applications

Literature

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Features And Benefits

Robust Design capable of passing the stringent leak rate requirements at cryogenic temperatures
Dual-plate designs that are compact and lightweight for efficient seating, operation and lower installation cost
Independent springs with long legs to prevent seat scrubbing and provide non-slam performance
Retainerless valve design without body penetration for critical service applications

Technical Details

MATERIALS OF CONSTRUCTION

Body Materials: Stainless steel, Aluminum Bronze, and Monel
Other Materials: Available on request

SIZE RANGE

2″ to 36″

PRESSURE RATING

ASME Pressure Class 150 – 600
API pressure classes up to 15K

TEMPERATURE RANGE

-196°C / -320°F to ambient

BODY CONFIGURATION

Wafer, Lug, and Double-flanged

END CONNECTIONS

Raised Face, Flat Face, RTF

Applications

Gas Production

LNG (Liquiefaction / Regasification)

Chemicals and Petrochemicals

Ethylene production
Air Separation

ISO – Certification (Site) 9001 / 14000
Pressure Equipment Directive (PED) 2014/68/EU
BS 6364
Shell DVT

Videos

Product Animations and Video Library

DUO-CHEK® Cryogenic High Performance Non-Slam Check Valves

Features And Benefits

Technical Details

MATERIALS OF CONSTRUCTION

SIZE RANGE

PRESSURE RATING

TEMPERATURE RANGE

BODY CONFIGURATION

END CONNECTIONS

Applications

Brochure

Datasheet

Certificates

Videos

Executive Offices

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