The Generant Series Brass CRV is a spring reference over pressure protection device incorporating the exclusive "Dirt Guard" to protect from system debris. The CRV is ideally suited as a "Blocked Line Safety" in cryogenic systems and is supplied cleaned and packaged for O2 service standard.
Factory preset from 10 to 750 PSIG and permanently locked. Relief pressure can be discharged to atmosphere or to a downstream connection. Available with an Integral Bleed Valve (CRB) for safely venting valve inlet pressure during system service.
- Available CE Marked to the requirements of the Pressure Equipment Directive (PED)
- Exclusive "Dirt Guard" Poppet: Incorporates a poppet screen to extend valve life and ensure reliability
- Optimized for High Flow: High flow capacity and excellent reseat performance
- Locked Setpoint: Supplied factory preset and permanently locked
- Configurable: Discharge to atmosphere or a wide variety of outlet piping configurations; optional Deflector Cap available
- Integral Bleed Valve Option (CRB): Allows safe and easy venting of inlet pressure for system service
- 100% Factory Tested: Tested for leakage, crack and reseat performance
- Oxygen Service Compatible: Cleaned and packaged for Oxygen Service standard
- Nominal Set Pressure Range: 10 to 750 PSIG (0.7 to 51.7 bar)
- Factory Set Tolerance:
- Set Pressure ≤ 28.90 PSI: ± 5%
- Set Pressure 29.00 – 48.30 PSI: ± 1.45 PSI
- Set Pressure ≥ 48.40 PSI: ± 3%
- Zero Leakage to 95% of Set Pressure
- Full Rated Flow @ 110% of Set Pressure
- Unaffected by up to 10% Back Pressure
- Reseat: 90% of set pressure (85% for PCTFE seals set below 100 PSI)
- Temperature Rating: -320° to 350°F based on seal material
- Valve Orifice: .250" (6.35mm) diameter — same for all inlet sizes
- Seal Materials: Fluorosilicone (FS) 10–49 PSI | PCTFE/Kel-F (K) 50–750 PSI
- Tolerance specifications per EN ISO 4126-1
