Speciality Valve – Cryogenic Gate Valve Solutions for LNG and Industrial Gas
Speciality Valve designs and manufactures cryogenic gate valves engineered for ultra-low temperature applications in LNG, petrochemical, and industrial gas sectors. Built with extended bonnet construction and tested to BS 6364, API 600/602, and ASME B16.34, our valves ensure bubble-tight shut-off and reliable operation down to –196 °C.
Function & Working
Cryogenic gate valves operate by moving a solid gate vertically between two seats. In cryogenic service, an extended bonnet is incorporated to keep stem packing insulated from extreme cold, ensuring effective sealing and preventing frost damage. These valves are subjected to cryogenic temperature testing with liquid nitrogen to guarantee zero leakage and smooth operation.
Advantages of Speciality Valve Cryogenic Gate Valves
Designed for LNG, LPG, ethylene, oxygen, nitrogen, hydrogen, and helium services
Extended bonnet construction for safe handling at –196 °C
OS&Y rising stem design with bolted bonnet or pressure seal options
Compliance with BS 6364 cryogenic testing for guaranteed performance
Precision machining for low torque operation and long service life
Manufactured in ASME Class 150 to 2500 and PN 10 – PN 420
Types Offered
Bolted Bonnet Cryogenic Gate Valve – suitable for medium and high-pressure service
Pressure Seal Cryogenic Gate Valve – compact, high-pressure design
Extended Bonnet Cryogenic Gate Valve – standard for LNG and liquid gases down to –196 °C
Forged Steel Cryogenic Gate Valve – ideal for smaller bore, high-pressure pipelines
Industries Served
LNG Terminals and Storage Facilities
Petrochemical and Refining Plants
Industrial Gas Production (O₂, N₂, H₂, He)
Aerospace and Defense Applications
Marine & Offshore Cryogenic Systems
Power Generation and Clean Energy Projects
Technical Specifications
| Specification | Details |
|---|---|
| Design Standards | BS 6364, API 600, API 602, ASME B16.34, ISO 28921, DIN EN 12567 |
| Pressure Class | ASME 150 – 2500, PN 10 – PN 420 |
| Size Range | DN 15 – DN 1200 (½” – 48”) |
| Body Materials | CF8, CF8M, CF3M, F304, F316, F321, F347, LCB, LCC, 9% Nickel, Duplex, Super Duplex, Monel, Inconel, Hastelloy, Titanium, Aluminium Bronze |
| End Connections | Flanged (RF, RTJ), Butt Weld (BW), Socket Weld (SW) |
| Bonnet Type | Extended bonnet with vapor column for cryogenic insulation |
| Temperature Range | –196 °C to +200 °C |
| Operation | Manual Handwheel, Gear Operated, Electric or Pneumatic Actuated |
Standards & Testing
Every cryogenic gate valve from Speciality Valve undergoes rigorous testing for international compliance:
Cryogenic Testing: Performed at –196 °C with liquid nitrogen, per BS 6364
Hydrostatic Test: Body tested at 1.5 × rated pressure
Seat Leakage Test: As per API 598 and ISO 28921
Fugitive Emission Test: Available per ISO 15848 (optional)
NDE Options: RT, UT, MPI, and LPT as per project requirement
Certification: Supplied with EN 10204 3.1/3.2 MTCs, ITPs, QAPs, and cryogenic test reports
Showing the single result
