- Cryogenic Check Valve
Falcon Flow Control Cryogenic Check Valve
High-performance cryogenic check valve designed to prevent backflow in liquefied gas systems at temperatures down to -196°C.
Full Description
The Falcon Flow Control Cryogenic Check Valve is purpose-built to prevent reverse flow in cryogenic fluid systems, providing reliable and maintenance-free protection in pipelines transporting LNG, liquid nitrogen, oxygen, hydrogen, and other liquefied gases.
Engineered with an extended bonnet, precision-guided internals, and low-temperature sealing materials, the valve ensures leak-free performance and minimal cracking pressure at ultra-low temperatures (down to -196°C).
Available in multiple configurations—including swing, tilting disc, and lift types—the valve offers flexibility across a range of pressure and flow conditions. All valves undergo rigorous cryogenic testing and are compliant with international standards for safety, reliability, and cryogenic integrity.
Features & Benefits
Extended bonnet
Protects stem seals and disc mechanisms from cryogenic freezing
Low cracking pressure
Prevents pressure drop and supports sensitive gas systems
Spring-loaded or gravity-operated disc
Enables silent and shock-free operation
Non-slamming design
Prevents water hammer and pipeline damage
Compact and rugged body
Ideal for space-constrained cryo applications
Field-serviceable components
Simplifies inspection and maintenance
Available Types
- Swing Type
- Tilting Disc Type
- Lift Type
- Dual Plate (for specific requests)
- Vacuum Jacketed (optional, for ultra-pure or space-grade applications)
Application Segments
LNG processing and bunkering facilities
Cryogenic air separation units (ASU)
Liquid oxygen/nitrogen/hydrogen transfer lines
Storage and vaporizer skid systems
Aerospace cryogenic fuel systems
Medical and scientific cryo labs
Product Line
Falcon Flow Control CryoLine Series
Cryogenic Non-Return Valves
Size Range
NPS (inch)
DN (mm)
½” – 12”
DN 15 – DN 300
Pressure Class
Standard
Rating
ASME
Class 150 – 900
EN/DIN
PN 16 – PN 100
Materials
- Body/Bonnet: CF8M (316 SS), CF3M, LCB, LC2
- Disc: 316 SS, Inconel, or Stellite coated
- Hinge/Pin/Arm: SS316, Monel
- Seat: Metal-to-metal or PTFE soft seat
- Gasket/Packing: Spiral wound stainless steel + PTFE
- Bonnet Extension: Stainless steel with cryogenic insulation
Standard Connections
- Flanged Ends – ASME B16.5 / EN 1092-1
- Butt Weld Ends – ASME B16.25
- Socket Weld / Threaded (upon request)
Design Standards
- BS 6364 – Valves for Cryogenic Service
- API 594 / API 6D – Check Valve Standards
- ASME B16.34 – Pressure-Temperature Ratings
- ISO 28921 – Cryogenic Testing
- MSS-SP-134 – Cryogenic Bonnet Dimensions
- ISO 15848 – Emission Testing (optional)
Testing
- Cryogenic immersion testing at -196°C
- Helium leakage detection
- Hydrostatic and pneumatic seat testing
- Backflow prevention validation
- Functional cracking pressure test