Product Overview
Our forged steel low temperature butt welding gate valves are specially engineered for cryogenic applications down to -196°C (-320°F). Featuring extended bonnet design and precision forged construction (ASTM A350 LF2/LF3), these valves ensure reliable performance in LNG, industrial gas, and cryogenic processing systems.
Key Features
✔ Extended Bonnet – Prevents seat freezing and protects packing
✔ Double Seal Design – Stem sealing backseat for maximum safety
✔ Fire-Safe Construction – API 607 compliant options available
✔ Butt Weld Ends – ASME B16.25 for leak-proof pipeline integration
✔ Low Emission Design – Meeting ISO 15848-1 standards
Advanced Cryogenic Features
Double Piston Effect (DPE) Seals – For ultra-low leakage
Anti-Static Device – Meets IECEx requirements
Thermal Barrier – Optional insulation jacket
Glandless Design – Available for oxygen service
Cryogenic Testing – Each valve tested at operating temperature
Industry Applications
LNG Plants: Liquefaction, storage, regasification
Industrial Gases: Oxygen, nitrogen, argon systems
Chemical Processing: Ethylene, propylene service
Aerospace: Rocket fuel handling
Medical Gas: Ultra-pure gas systems
Optional Features
- Oxygen-cleaned versions
- Special extended bonnet lengths
- Actuator-ready (ISO 5211)
- Fire-safe API 607 option
Why Choose Our Cryogenic Valves?
✅ Proven Cold Performance – BS 6364 compliant
✅ Leak-Tight Guarantee – Double sealing system
✅ Specialized Materials – Impact-tested for cryo service
✅ Global Certifications – PED, ASME, ISO 15848
