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Cryogenic Products


Generant Cryogenic products have become the industry standard for Liquid Cylinder Relief, Block Line Safety, SDC CGA Connectors and Gas Delivery Pressure Regulators. Our products are specified by OEM as standard equipment on Liquid Cylinders, Portable Liquid Oxygen vessels and Medical Equipment products worldwide.
Design: Brass Construction, Spring Reference or Pilot Operated (dome loaded), fully Balanced Non-Relieving
Maximum Inlet Pressure: 550 Psi
Size: 1/4” to 1” NPT, BSPT and BSPP, 2 or 4 Port (gauge ports)
• Flow Rates to 20,000 SCFH
• 100% Factory tested and Cleaned and Packaged for Oxygen Service
Design: Innovative Locking Connection Fitting specifically designed to meet the requirements of SB26
Size: CGA-540, 580, 440, 320, 295, 320, 326, 622, 624
• Optional Integral Check Valve Design

Cryogenic Relief Valve (CRV)

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: 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: Compact, Highly Accurate, 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: S
Size: 1/8” to 2”
Configuration: Female by Female
Materials of Construction: Brass to 3,000 Psi, Stainless to 4,500 Psi MAWP.
• Many standard seal materials and crack pressures.
• Available Cleaned for Oxygen Service and for use in Cryogenic Systems.
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
Design: Brass (7000 psi) One Piece Body, High Pressure Cryogenic Liquid Service Check Valve
Configuration: Female NPT Inline
Size: 1/2” and 3/4”
• Available Cleaned for Oxygen Service
Design: Compact, Economical One Piece Body, Poppet Type Check Valve
Size: 1/4” and 1/2”
Configurations: Male NPT and Female NPT
Materials of Construction: Brass and Stainless Steel up to 3,000 Psi MAWP
• Many standard seal materials and crack pressures
• Available Cleaned for Oxygen Service
Design: Brass (3000 Psi) and Stainless Steel (5000 Psi) Forged Body Integral Bonnet metering valve
Configuration: Male and Female NPT or BI-Lok Dual Ferrule Tube Connections
Size: 1/8” to 1/2", Straight or Angle Body
• Metal to Metal Stem or optional Soft Tip (PCTFE)
• Panel Mounted Standard
• 100% Factory tested and available Cleaned for Oxygen Service

Industrial Relief Valve (IRV)

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: Brass Construction with Teflon Seals for Cryogenic Use, Spring Reference, Non-Relieving
Maximum Inlet Pressure: 400 Psi (27.6 bar)
Size: 1/2" and 3/8" NPT, 1/2" BSPT.
• Ideally Suited for Cryogenic Vessel Pressure Build Applications.
• 100% Factory Tested, Cleaned and Packaged for Oxygen Service.