765 Series

The Rockwood Swendeman 765 Series RXSO-S safety relief valves are high-performance, stainless steel valves designed for overpressure protection in air and gas service applications. Featuring a stainless steel body and certified to meet ASME Section VIII and PED (Pressure Equipment Directive) requirements, the RXSO-S delivers trusted performance in both domestic and international cryogenic and industrial gas systems.

Engineered for use on storage tanks, pipelines, and pressurized systems, these valves offer precise pressure relief and reliable resealing for gases such as oxygen, nitrogen, argon, hydrogen, and other high-purity or high-value media. The RXSO-S is built to perform in critical service conditions where clean operation, corrosion resistance, and long-term durability are essential.

Backed by the trusted Rockwood Swendeman name, the 765 Series RXSO-S combines proven engineering with code-compliant safety for demanding cryogenic and industrial air/gas applications.