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- Special Teflon seat, making bubble-tight seals possible for over 90% of set pressures per spec API 527.
- Meets A.S.M.E. Boiler and Pressure Vessel Code, Section VIII requirements.
- Meets AD-Merkblatt A2 certified by TUV.
- Especially recommended for those applications where noxious or expensive liquids or gases place a premium on seal quality.
- Works with set pressures to 400 psig, and temperatures from cryogenic to 400 Farenheit.
- Our safety relief valves meet the following specifications:
- Compressed Gas Association S-1.2 and S-1.3.
- V-4301 (Cryogenic Non-Oxygen Gas)
- V-4401 (Oxygen)
- ASME sec. VIII
- API 527
- AD-Merkblatt A2
- We clean and package all of our RXSO 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
- ES.660.503
- GS-38
- GS-40
- 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.
- BSP threads are available on most sizes.
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