Rockwood Swendeman
Valves > Relief > Safety
Pressure Class
Max 400 psig
Shell - Cast Bronze, A,S,M,E SB-62, Base - Forged Brass, Alloy C37700, Trim - Copper Alloy, Spring - Stainless Steel 17-7 PH A,S,T,M,; A-313; Type 631
Temperature Range
-423°F to 400°F
Inlet - 1/2" - 2" Outlet - 3/4" - 2 1/2"
Manufacturing Standards
  • CGA S-1.2 and S-1.3, V-4301 (Cryogenic Non-Oxygen), V-4401 (Oxygen), ASME sec.VIII, API 527, AD-Merkblatt A2, CRN 0G0591.9

Product Description

Cryogenic Bronze Safety Relief Valve

Product Features

Special Teflon® seat making bubble tight seals possible to over 90% of set pressures per spec API 527- not applicable to steam, Adjustable blowdown ring, Meets AD, Merkblatt A2 certified by, Cleaned and packaged for use in O2 service in compliance with the CGA specification G-4.1


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