NG9000 Series

The NG-900 series relief valves are specifically designed for vapor line safety relief applications and cryogenic liquid containers. These valves open and close at preset pressures to ensure reliable performance at cryogenic temperatures. Specifically designed to avoid over pressurization in LNG fuel tank application and LNG installation.

Height [Closed] (in.) 3
Height [Closed] (mm) 77.7
Inlet Connection (in.) 1/4"
Inlet Connection (mm) 6.4
Maximum Allowable Working Pressure (BARG) 41.4
Maximum Allowable Working Pressure (PSIG) 600
Maximum Temperature Rating (°C) 74
Maximum Temperature Rating (°F) 196
Minimum Temperature Rating (°C) -51
Minimum Temperature Rating (°F) -60
Nominal Size (in.) 1/4"
Orifice Size (in.2) 0.281
Orifice Size (mm2) 7.134
Outlet Connection (in.) 3/8"
Outlet Connection (mm) 9.5
Pressure Setting (BARG) 1.5
Pressure Setting (PSIG) 22
ASME Certification? No
Connection Type MNPT x FNPT
Manual Override? No
Material Details Body: Brass| Bonnet: Brass| Seat: PTFE| Springs: Stainless Steel| Diaphragm Gasket_: PTFE| Backcap Gasket: Copper| Diaphragm: Bronze
Product Type Brass Angled Cryogenic Relief Valves
Product Warranty RegO 10 Year
Seat Material Type Soft
Units Imperial-Metric