TYPE RXSO-S
0 - 400 PSIG
STAINLESS STEEL SAFETY RELIEF VALVES
Our RXSO-S Type valves are designed for stationary cryogenic storage tanks, anywhere where noxious or expensive liquids or gases place a premium on quality, dual safety relief systems, overpressure relief of tanks, pipelines, vessels & pumps, air & gas compressors, and corrosive industrial applications.

FEATURES
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Special PTFE seat, making bubble tight seals possible to over 90% of set pressure per spec API 527; not applicable to steam.
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Adjustable blowdown ring
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Cleaned and packaged for use in O2 service in compliance with the CGA specification G-4.1
Additional Cleaning Specifications:
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ES.660.503
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GS-40


APPLICABLE CODES
Designed and Manufactured to Meet:
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CGA S-1.2 and S-1.3
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V-4301 (Cryogenic Non-Oxygen)
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V-4401 (Oxygen)
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ASME sec VIII
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API 527
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2014/68/EU PED
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CRN 0G22625.5C

TECHNICAL DATA
Operating Ranges:
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Temperature: -320°F to +400°F
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Relief Pressure 0 to 400 PSIG
Material of Construction:
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Shell: Cast Stainless Steel, ASME SA-351
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Base: Stainless Steel, ASME SA-479
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Trim: Cast Stainless Steel
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Spring: Stainless Steel, 17-7 PH ASTM, A-313, Type 631
Options:
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BPS threads available on most sizes
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Lever operation
Testing:
Each valve is set, tested, re-tested and sealed at the factory to the customer's specifications.
Sizes:
Inlet - 1/2" to 1"
Outlet - 3/4" to 1-1/4"
Download the Product Sheet!