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Cryogenic Gate Valve

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Cryogenic Gate Valve

Cryogenic Gate Valve

GKV426L GEKO Cryogenic Gate Valve with smooth operation, minimal thermal expansion, and robust construction. Reliable sealing, low operating torque, and long service life make it ideal for LNG, industrial gases, and cryogenic chemical applications.

 

 

GKV Cryogenic Gate Valve – Smooth Operation, Low Torque & Long-Life Performance 

 

Size range

 1/2" ~ 42" (DN15 ~ DN1050)


Body & Bonnet Material

A350 LF2, LCB, LC3, CF8, CF8M (304L/316L), CF3, CF3M
Inconel, Monel, Super Duplex, low-temp Cr-Ni steels


Temperature range

-196°C to +50°C (-321°F to +122°F)


Stem / Shaft Material

304 / 316 / CF8M stainless steel, optional low-friction coating


Maximum Allowable Working Pressure

ANSI / ASME Class 150 – 2500 (depends on size and material)


Seats & Seals

Cryogenic-grade PEEK, PTFE, PCTFE, or metal-to-metal seals


Stem Material

304 / 316 / CF8M stainless steel, optionally hardened or coated


Packing & Gland

PTFE / graphite composite, low-temperature resistant


Special / Optional Materials

Super Duplex, Inconel, Monel, special cryogenic alloys for corrosive fluids or extreme low temperatures


Operation Method

Manual (Handwheel / Gear), Pneumatic, Electric Actuated

 


Special Design Features

Smooth gate operation, minimal thermal expansion, low torque, robust structure, anti-frost/thermal shock resistant, modular/lightweight


End Connection Standards

Flanged: ASME B16.5 / EN1092
Butt Weld: ASME B16.25 . Other custom connections available


Design Standards

ASME B16.34, API 600, BS 6364 / ISO 14313

 


Applications

LNG storage, transfer, industrial and specialty gas pipelines, cryogenic chemical processing, low-temperature fluid control


Testing & Inspection

Pressure & Leakage Test: API 598 / ISO 5208
Cryogenic Functional Test, Helium Leak Test, NDT: X-Ray/Ultrasonic/Magnetic Particle, FEA Verification


Key Highlights

Leak-tight at -196°C, long service life, low maintenance, low operating torque, safe for cryogenic fluids, modular & lightweight

 


 

Technical Specifications:

Size Range: 1/2" ~ 42" (DN15 ~ DN1050)

Pressure Ratings: ASME Class 150 ~ 2500 (PN16 ~ PN250)

Body Materials: Stainless Steel ,304L, 316L, CF8, CF8M,

A350 LF2, LCB, LCC,Monel,Inconel, Hastelloy, Duplex SS

End Connections: RF, BW, RTJ

Seat: PTFE, PCTFE

Minimum Design Temperature: -196°C

Certified: Complies with API, ISO, and ASME standards

Reliable: Tight shut-off, precise flow at ultra-low temperatures

Durable: Stainless or alloy steel with cryogenic treatment

Sealed: Metal seats for leak-tight operation

Flexible: Manual, electric, or pneumatic actuation

Advanced Technology :

Super Low Torque Design – Optimized gate guide reduces operating effort.

Enhanced Cryogenic Sealing – Zero-leak performance at -196°C.

Minimal Thermal Expansion – Maintains dimensional stability and sealing integrity.

Anti-Frost & Thermal Shock Resistant – Protects components from low-temperature stress.

Smart Monitoring Integration – Optional remote sensors for operational status, pressure, and temperature.

Lightweight, Modular Design – Simplifies installation and maintenance.

Fire-Safe & Anti-Static Compliance – Ensures safety in LNG and combustible gas applications.

 

Advanced low-temperature testing facilities

 

Facilities are managed by experienced low-temperature valve specialists.

Low-temperature test pit for large valves

6,000-gallon liquid nitrogen tank for extreme cooling

Mass spectrometer for precise leak detection

Capabilities enable performance validation, design optimization, and tailored testing solutions for critical cryogenic applications.

 

Structure:

Smooth Gate Operation – Ensures precise and effortless flow control.

Minimal Thermal Expansion – Maintains performance under extreme cryogenic conditions.

Robust Construction – Durable design for long-term reliability.

Reliable Sealing – Leak-tight performance, reducing risk and maintenance.

Low Operating Torque – Easier operation and safer handling.

High Cryogenic Stability – Stable performance at very low temperatures.

Extended Service Life – Reduces replacement costs and downtime.

Typical Applications – Cryogenic Gate Valve

 

LNG Industry

Storage tanks, transfer pipelines, liquefaction/regasification facilities, and loading/unloading stations.

 

Industrial Gas Systems

Liquid oxygen, nitrogen, argon pipelines, high-purity gas distribution, and cryogenic storage applications.

Chemical & Petrochemical Plants

Low-temperature chemical storage, cryogenic reaction vessels, and safe isolation of hazardous fluids.

 

Power & Energy Sector

Cryogenic fuel storage, supercooled liquid handling, and LNG-fueled power plants.

Research & Specialty Applications

Low-temperature laboratories, superconducting systems, space/aerospace cryogenic fuel control.

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