Forged Steel Cryogenic Valve

RONZEcryogenic valves are available in three bonner designs.The first design is the Bolted Bonnet,with male-female joint,spiral woundgasket,made in F304L/graphite.Ring joint gasket are also available on request.The second design is the welded bonnet,with a threeded and seal welded joint.On request a full penetraion strength weldedjoint is avaliable.
The cryoginic valves are available in gate and globe design configurations.Valves are designed with an
extended bonnet for use in cold serves to - 196 degress C(-320 degrees F).



Cryogenic Valve Design Construction and Specifications
RONZE Cryogenic gate and globe valves conform to API 160.
Each are tested according to API 598,and marking is per MSS SP-25.Construction is as

follows:
Full Port Conventional Port
Two piece self-aligning packing gland
Bolted bonnet with spiral wound gasket,threaded and seal welded bonnet
Integral backseat
Pressure relief hole on seat (for Gate Valves only)
Socket weld ends to ASMB B16.11
Scrwed Ends(NPT) to ANSI/ASMB B1.20.1
Special extension lengths on request
Soft seats for globe valves on request
PTFE stem for globe valves on request
Special low temperature testing on request
Outside Screw and Yoke (OS & Y)