Vent Relief Valve High Pressure (VRVH)
Vent Relief Valve High Pressure (VRVH)
Vent Relief Valve High Pressure (VRVH)
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

Materials of Construction

  • Available in Brass or 316 Stainless Steel