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GKV527L low-temperature check valves are typically designed for very low-temperature applications, such as storage or transportation of liquefied natural gas, liquefied petroleum gas, liquid nitrogen, or other media.
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GKV Cryogenic Check Valve – Reliable Backflow Prevention for Low-Temperature Service
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Size Range NPS 3/8" – 8" (DN10 – DN200), custom sizes on request |
Body & Bonnet Materials CF8 / CF8M (SS304 / 316), CF3 / CF3M (304L / 316L) |
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Temperature Range -320°F to +482°F (-196°C to +250°C)
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Disc Materials SS316 / 316L, Duplex, Monel, Inconel, Hastelloy, Titanium |
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Pressure Rating ASME Class 150 – 900 |
Seat & Sealing PCTFE (standard), PEEK, PTFE, TFM |
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Shut-off Rating Zero Leakage (ambient) |
Body Style Swing Type, Lift Type |
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Design Standards API 6D, ASME B16.34, DIN, EN, JIS, BS 6364 |
End Connections Flanged (RF, RTJ), Butt Weld, Socket Weld, Threaded (NPT/BSP) |
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Testing Standards API 598, BS 6364, ISO 28921 |
Face-to-Face Manufacturer’s standard or per ASME B16.10 / EN 558
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Applications LNG plants & terminals, LOX / LIN / LAR, ASU, LPG handling, Petrochemical, Aerospace, Food & Beverage, Steel production |
Key Features Leak-tight at -196°C, extended bonnet design, renewable seat, full disc movement, robust cryogenic construction |
Technical performance of GEKO low-temperature check valve
GEKO low-temperature check valves provide industry-leading low-temperature sealing technology and performance, and are manufactured to the highest quality standards. This valve is designed to handle various media that are most difficult to handle in today's industrial environment, including liquid oxygen, liquid natural gas, and other low-temperature liquids.
Wide Range: NPS 3/8"–8" (DN10–DN200), Class 150–900, –196°C to +250°C
Material Options: Stainless steel, LTCS, Duplex, Super Duplex, Monel, Inconel, Hastelloy, Titanium
High Performance: Swing or lift type, zero leakage (BS 6364 / ISO 28921 certified), Stellite seat options
Applications: LNG, LOX/LIN, LPG, air separation, petrochemical, aerospace, food & beverage, steel industry
Characteristics of GEKO Low Temperature Check Valve
Features:
- Spiral wound gasket for Class 150 to Class 600 valves, and ring joint for Class 900
& above valves or as an option for the Class 600 valves on customer request.
- Standard swing disc type, used in horizontal position for liquid service application
or used in vertical position whereliquid flow from botton to top.
- Provision of standard bosses for a drain tapping at location at the lower part of body centerline.
- A dditional bosses conform to customer requirements.
- A hinge and hinge pin provided and mounted so as to permit full movement of the disc.
- Standard renewable seal welded seat with stellite 6 while optional screwed-in seat.
GEKO Cryogenic Valve Testing & Safety Assurance
GEKO ensures maximum safety and reliability with its state-of-the-art cryogenic testing facilities. Equipped with a large-scale test pit, a 6,000-gallon liquid nitrogen tank, and precision helium leak detection, GEKO validates valve performance under the toughest conditions.
All valves are manufactured from oxygen-compatible materials and independently certified for liquid and gaseous oxygen service. With rigorous third-party testing and full compliance with international standards, GEKO delivers proven reliability for critical cryogenic applications.
GEKO low-temperature check valves are applied in multiple industries
Petrochemical and natural gas industries
Space industry
Liquefied natural gas industry chain
Improve safety and production efficiency in the food industry
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GKV527L low-temperature check valves are typically designed for very low-temperature applications, such as storage or transportation of liquefied natural gas, liquefied petroleum gas, liquid nitrogen, or other media.
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Email : info@geko-union.com
Email : info@geko-valves.de
Email : tw@geko-union.com
Email : nl@geko-union.com
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