Model RSL










  • Ideal for application in tanks, pumps, pipe lines and other vessels containing non-corrosive liquid, and where large relieving capacities are not required.
  • Works with set pressures to 300 psig, with maximum temperature to 300 F. For use with back pressure services, please consult factory.
  • Teflon seat for improved seat tightness.
  • BSP threads are available on most sizes.
  • Some sizes also available in stainless steel construction.
  • We clean and package all of our RSL valves for use in oxygen service in compliance with the Compressed Gas Association's Specification G-4.1.
  • Other cleaning specifications we meet include:
    • 4WPI-SW7003
    • GS-38
  • Each valve is set, tested, retested and sealed at the factory to the customer's specifications.
  • Rockwood Swendeman can provide you with reliable, high quality safety relief valves, at the most competetive price in the industry and our lead time on most orders is two weeks or less.