Vent Relief Valve (VRV)0 pages
VENT RELIEF VALVE
1/8" - 1" NPT
.5 - 150 Psig (0.03 – 10.3 bar)
Description
A compact, highly accurate, direct acting pressure relief
valve. Factory preset to desired crack pressure and/or
flow specifications. Internal adjustment provides tamper
proof safety against inadvertent pressure changes.
Available vent to atmosphere or inline configurations in
brass, aluminum and 316 stainless steel. Valves feature a
Quad ring seal which provides for extreme accuracy and
repeatability with a narrow reseal band. Optional deflector
cap increases flow capacity and provides for deflection of
discharge.
Features
Accurate and Repeatable Cracking Pressure
100% Factory Preset and Tested
Zero Leakage to 95-98% of Set Pressure
Tamper Proof Adjustment
Excellent Reseal Performance
Compact Size
VRV
Vent to Atmosphere
Technical Data
Set Pressure Range: 0.5 to 150 Psig (0.03 to 10.34 bar)
Inline Valves (Series VRVI):
Proof Pressure: 400 Psig (28 bar)
Burst Pressure: >500 Psig (34 bar)
Set Pressure Tolerance: Factory preset
< 2 Psig (0.14 bar): +/-10%
2 to 150 Psig (0.14 to 10.3 bar): +/- 5%
(on increasing pressure)
Reseal:
80% of Set Pressure for valves specified 2-10 Psig
(0.14 to 0.7 bar)
92% of Set Pressure for valves specified 10-150
Psig (0.7 to 10.3 bar)
Temperature Range: -320º to 400º F (-195º C to 205º C)
(based on sealing selection, see ordering information)
VRVI
Inline
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SA.SL.VRV001.F.2168
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