Vent Relief Valve High Pressure (VRVH)
1/8" - 1/4" NPT
Set Pressure Range 150 - 600 Psig
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 in vent to atmosphere or inline configurations. Valves feature an encapsulated O-ring seal to prevent extrusion at higher differential pressures.
Features and Benefits
- Accurate and Repeatable Cracking Pressure
- 100% Factory Preset and Tested
- Zero Leakage to 95 – 98% of Set Pressure
- Tamper Proof Adjustment
- Excellent Reseat Performance
- Compact Size
Technical Data
- Set Pressure Range: 150 to 600 Psig (10.3 to 42 bar)
- Inline Valves (Series VRVHI):
- Proof Pressure: 750 Psig (52 bar)
- Burst Pressure: >1000 Psig (69 bar)
- Set Pressure Tolerance: Factory preset +/- 5% on increasing pressure
- Reseat: 90% of Set Pressure
- Temperature Rating: -320°F to 350°F(-195°C to 177°C)
Based on seal selection
