Cryogenic Gate Valve Installation

Where positive isolation is required the isolating valves shall vent to the process side as shown regardless of whether it has single or double block valve isolation.
Cryogenic gate valve installation. Api 600 asme b16 34 bs 6364 iso 28921 cryogenic globe valves. 2 to 36 50 mm to 900 mm asme. Powell valves is a top manufacturer in stainless steel cryogenic gate valves and offer customizable sizes for your specific needs. Extended bonnets with sufficient gas column length usually specified by customer are supplied for all valves to keep stem packing at sufficient distance away from the cold fluid to remain.
Go to navigation go to content. Valve assemblies that come in direct contact with low temperature media should have explosion proof and fire resistant structure. All basic design features of velan cast steel gate valves are adapted to special service conditions at cryogenic temperatures. The mitech cryogenic globe control valve is similar to the standard mitech globe control valve and therefore the gcv maintenance manuals should be referred to when assembling and disassembling this valve.
150 to 600 design standards. Cameron rigorously prepares cryogenic valve components for clean room assembly and takes the precautions to keep components contaminant free to the standards required by the industry. Cryogenic gate globe check valves cryogenic gate valves. Api 602 asme b16 34 bs 5352 bs 6364 testing according to api 598 marking mss sp25 outside screw and yoke os y self aligning two piece packing gland.
2 to 54 50 mm to 1350 mm asme class. 150 to 2500 design standards. With herose cryogenic gate valves the flow rate is three to five times higher than with globe valves of comparable size. 2 to 24 50 mm to 600 mm asme class.
Valve assemblies that operate at low temperatures can t be lubricated so. Api 623 bs 1873 asme b16 34 bs 6364 iso 28921 cryogenic check valves. The cryogenic medium should not have a detrimental effect on the handling of the wheel and the sealing performance of the packing. Operating instructions ii phone 49 4531 509 0 table of contents 1 about these instructions 1.