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Relief Valves


Generant manufactures a wide range of Relief Valves for most applications. All Relief Valves are 100% factory tested for crack pressure and leakage. Each product series is designed and manufactured to have unique features and benefits.
Vent Relief Valves
Design: Compact, High Accuracy, Internally Adjusted, Direct Acting Pressure Relief Valve
Size: 1/8” to 1”
Configuration: Male and Female NPT, SAE, BSPT
• Excellent Reseal Performance
• Inline or Vent to Atmosphere
• Factory Preset Crack Pressures 0.50 to 150 Psi
Materials of Construction: Brass, Aluminum and Stainless Steel
• Many standard seal materials
• Available Cleaned for Oxygen Svc.
Vent Relief Valve High Pressure
Design: Compact, High Accuracy, Internally Adjusted, Direct Acting Pressure Relief Valve
• Inline or Vent to Atmosphere
• Factory Preset Crack Pressures from 150 – 600
Size: 1/8” & 1/4"
Configuration: Male and Female NPT, SAE, BSPT
Materials of Construction: Brass and Stainless Steel
• Many standard seal materials
• Available Cleaned for Oxygen Service
High Pressure Relief Valves
Design: High Flow, Tamper Proof Design, Direct Acting Pressure Relief Valve
• Inline, Manual Pull Ring Overide or Vent to Atmosphere
• Factory Preset Crack Pressures from 10 – 2400 Psi
• Optional Lock Wire
Size: 1/8” to 3/4"
Configuration: Male and Female NPT, SAE, JIC, BSPT
Materials of Construction: Brass and Stainless Steel
• Many standard seal materials
• Available Cleaned for Oxygen Svc.

Cryogenic Relief Valve (CRV)

Cryogenic Relief Valves
Design: Specifically Designed for Cryogenic Systems, Dirt Guard Poppet reduces contaminated Related Failures
• CE Cat IV Marked to the PED
• Excellent Block Line Thermal Safety
• Factory Preset and Permanently Locked from 10 – 750 Psi
Size: 1/4” to 1/2"
• Vent to Atmosphere or with Pipe-A-Way Discharge
Configuration: Male NPT
Materials of Construction: Brass & Stainless Steel
• CTPFE or Flourosilicone Seals
• Cleaned & Packaged for Oxygen Svc.
Liquid Cylinder Valves
Design: Designed for use on DOT 4L Liquid Cylinders
• Dirt Guard Poppet
• Vent to Atmosphere
• Factory Preset Crack Pressures from 22 - 500 Psi
Size: 1/4” NPT Male
Materials of Construction: Brass
• CTPFE or Flourosilicone Seals
• Cleaned and Packaged for Oxygen Service

Industrial Relief Valve (IRV)

Inline Relief Valves
Design: Factory Preset Stainless Steel Relief Valve
Configuration: NPT, Face Seal, Dual Ferrule Tube Connections, Vent to Atmosphere or Inline
Size: 1/4" – 1/2"