DUO-CHEK® Dual Plate Check Valves
Quick action in systems with high reverse velocity provides greater protection.
Our valves can be tailored to meet your specific flow conditions.
SIZE RANGE (CRYOGENIC VALVES) 2” – 88”
PRESSURE RATINGS
ASME Pressure Class 150 – 2500
MATERIALS OF TYPICAL CONSTRUCTION
Stainless Steels
Aluminium bronze
Spring: Inconel X750 or 316SS
BODY CONFIGURATIONS
API 594 Lugged
API 594 Double Flanged
Wafer
COMPLIANCE
API 594, API 598, BS 6364, ISO28921, MSS SP-134, API 6FD/ 6FA, Shell 77/200
ZERO FUGITIVE EMISSIONS
Single piece body design means no flanged join between connecting body parts
No penetrations for retainers
End flanges are integrally cast
END CONNECTIONS
Raised Face
RTJ
TEMPERATURE RANGE
