Relief Valves

Factory Pre-Set and 100% Tested Pressure Relief Valves

Generant manufactures an extensive product offering of pressure relief valves including low pressure/high accuracy and high pressure/ high flow designs. Generant pressure relief valves are relied upon in many diverse industries such as Industrial and Medical Gases, Cryogenics and Chemical Processing. Available in a variety of materials of construction and porting configurations providing product solutions for a wide range of liquid and gas applications.

Vent Relief Valve (VRV)

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

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.

Design: Spring reference over pressure protection device for applications requiring constant set pressure independent of changes in ambient pressure (altitude)
Size: 1/4″
Configuration: NPT, Dual Ferrule Tube
Excellent Reseat Performance
Discharge to Atmosphere or Inline Piping Configurations
Supplied Factory Preset
Materials of Construction: Brass
Fluorosilicone Seals

Cryogenic Relief Valve, ASME Coded (RVA)

ASME Rated: National Board Certified, supplied with ASME and NB Stamp.

Locked Setpoint: Supplied Factory Preset and Permanently Locked.

High Performance Seal: State-of-the-art sealing technology ensures durability and reliability.

Configurable: Multiple Port Options and Optional Drain Hole.

100% Factory Tested: Tested for Leakage, Crack and Reseat Performance.

Oxygen Service Compatible: Cleaned and Packaged for Oxygen Service per CGA G-4.1.

Color Coded Labels: Easily identify relief valve set pressure with an easy-to-read color-coded label.

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

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.

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″

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

Relief Valves

Factory Pre-Set and 100% Tested Pressure Relief Valves

Vent Relief Valve (VRV)

Cryogenic Relief Valve (CRV)

Absolute Pressure Relief Valve (APRV)

Cryogenic Relief Valve, ASME Coded (RVA)

Vent Relief Valve High Pressure (VRVH)

High Pressure Relief Valve (HPRV)

Industrial Relief Valve (IRV)

Liquid Cylinder Valve (LCV)