770 Series

The Rockwood Swendeman RSL 770 Series is a non-ASME coded safety relief valve designed for air and gas service in cryogenic and industrial applications. Featuring a durable bronze body, this valve delivers dependable overpressure protection where ASME certification is not required but high performance and reliability are still critical.

Engineered for use on storage tanks, gas lines, and process systems, the RSL 770 Series ensures consistent, clean operation and rapid resealing across a range of non-corrosive gases. Its robust construction and proven design make it a practical solution for facilities requiring effective safety relief in air and gas service without the added complexity of code requirements.

Backed by the trusted Rockwood Swendeman name, the RSL 770 Series combines reliability, simplicity, and value for everyday cryogenic protection.