Keeping Cool Under Pressure: Cryogenic Valves for Low Temperature Environments
Choosing valves for cryogenic service can be complicated. The production, transport and storage of liquefied gases such as oxygen, nitrogen and natural gas demand a thoughtful solution.
Ladish’s cryogenic valves are produced to the rigid ‘Controlled Quality’ standards that assure dependable operating performance at sub-zero temperatures. The production, transport and storage of liquefied gases such as oxygen, nitrogen, natural gas (down to –425°F) demand a thoughtful solution. Our custom integral designed bonnets and modified extended bonnets provide safe, dependable service to LNG receiving terminals and liquification facilities as well as processes using liquid nitrogen and hydrogen. The main structural feature of these valves is the enclosed vapor chamber which isolates the packing from the cryogenic fluid allowing the packing to function properly. Ladish Valves ability to manufacture specifically designed cryogenic valves and to convert standard valves to cryogenic service, all in-house, allows for a completely controlled quality process. In addition, custom modification requests and any associated non-destructive testing can be expedited.
Valves for cryogenic service can be assembled in a clean room and be lubricant free or utilize lubricants compatible for cold service. The valves should be free from machine oil, grease, dirt or any foreign material. Any of these can inhibit the valve’s performance. Ladish’s clean room offers this complete solution in house. Click here to learn more about our services & capabilities.
*Cast Cryogenic Gate Valve
Our CAST Cryogenic products include a one-piece stem, extended bonnet and flexible wedge w/ pressure relief vent. Cast products are available in gate, globe, check and ball valve options.
GATE
1/2″ – 30″
Pressure: 150 – 2500
End Connections: Flanged, Threaded, Socket Weld End, Buttweld End
GLOBE
1/2″ – 16″
Pressure: 150 – 2500
End Connections: Flanged, Threaded, Socket Weld End, Buttweld End
CHECK
1/2″ – 36″
Pressure: 150 – 2500
End Connections: Flanged, Threaded, Socket Weld End, Buttweld End
BALL
1/2″ – 14″
Pressure – 150 – 600
End Connections: Flanged, BWE
*Forged cryogenic gate valve
Our FORGED cryogenic products feature a one-piece stem, extended bonnet integrally forged, and vented cavity. Forged products are available in gate, globe and check valve options.
GATE
1/2″ – 4″
Pressure: 150 – 2500
End Connections: Flanged, Threaded, Socket Weld End, Buttweld End
GLOBE
1/2″ – 4″
Pressure: 150 – 2500
End Connections: Flanged, Threaded, Socket Weld End, Buttweld End
CHECK
1/2″ – 36″
Pressure: 150 – 2500
End Connections: Flanged, Threaded, Socket Weld End, Buttweld End
Cryogenic testing per BS 6364 can also be facilitated from our headquarters in Houston.
For a complete product overview, dimensional data and more, click here to download our Cryogenic Valve catalog.
Once again, Ladish will continue To Mark Progress.
