Cryogenic Triple-offset BV

Cryogenic Triple-offset Butterfly Valve
B37H/B39H Series

Century B37H/B39H series cryogenic triple-offset butterfly valve adopts a triple-eccentric design, featuring excellent sealing performance, low operating torque and compact structure. It is widely used for cut-off and regulating applications in low-temperature systems such as air separation units, LNG plants and cryogenic storage & transportation facilities.
B37H is double flanged type,B39H is wafer type.
Features
B37H/ B39H Series Triple Offset Butterfly Valves feature all-metal hard sealing, cryogenic extended bonnet,specifically designed for use inside low-temperature cold boxes.
Stellite alloy overlay and integral hardened body seat meet various operating conditions with long service life and minimal maintenance
Hardened bearing surfaces, ultra-long guiding, and dust-proof seal ring further enhance operational reliability.
Blowout-proof stem design ensures safer operation.
Invar alloy (4J36) gaskets installed under bonnet-to-body flange fasteners prevent bolt preload loss at cryogenic temperatures,improving sealing reliability in low-temperature conditions.
Construction Diagram
DN80~DN600 Body Construction
Request catalogues for more sizes and details.
Specifications
Documents

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