Pressure Relief Valves

Pressure Relief Valve CRV30The CORTEC Model CRV Pressure Relief Valve (PRV) line offers users the safety and quick response function required to meet the demands of today’s drilling operations. Our robust designs are manufactured with superior performance and field serviceability in mind. CORTEC Model CRV Pressure Relief Valves are compatible with API 6A, API 16C, ABS CDS and NACE MR0175 requirements. Full third-party review is available upon request.


  • 3” (CRV30) and 4” (CRV40) max orifice sizes
  • 5,000 – 15,000 PSI max working pressures
  • Hydraulic piston actuator
  • Electronic position indicator and pressure sensor
  • Optional gantry system for user-friendly field service applications
  • Reversible gate and seat for extended trim life
  • Full range of service tools available
  • Control panel options available and can be configured to customer’s specific needs

Hydraulic Power Unit

  • Air driven hydraulic pump
  • Hand pump
  • Hydraulic accumulator
  • Solenoid actuated directional control valve

Control Panel

  • Touchscreen interface displays valve pressure, set pressure and valve status (open/close)
  • User programmable set point for each valve
  • Single to quad valve controlpressure_relief_valves


  • Frac System Relief Valve
  • Mud Pump Relief Valve
  • MPD (Managed Pressure Drilling) System

Download our Pressure Relief Valve flyer.