Your Professional Check Valve Supplier
Jiangsu Tisco Equipment Co., Ltd. is a comprehensive valve company integrating manufacturing and trading. We specialize in the production of valves and the processing of stainless steel products, including ball valves, gate valves, butterfly valves, globe valves, as well as pipes, plates, profiles, and stems. In addition, copper, aluminum, titanium, and other alloy steels such as Inconel are also within our product range.
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![Cryogenic Check Valve]()
Cryogenic Check ValveSize: DN10–DN300. Pressure: PN10~PN100(Class 150~Class 600). Working temperature: -196℃~+80℃. Power: Manual, Electric, Pneumatic, Hydraulic. End Connection: Flange, Welding, Threaded. Structure: -
![Wafer Check Valve]()
Wafer Check ValveProduction Name: Wafer check valve. Material: Stainless Steel alloy steel carbon steel or as your request. Specification: DN15 to DN1200. Pressure Class: PN10 ~ PN160 (Class 150 ~ Class 900)(ASME -
![Vertical Lift Check Valve]()
Vertical Lift Check ValveProduction Name: Vertical lift check valve. Material: Stainless Steel alloy steel carbon steel or as your request. Specification: DN15 to DN400. Pressure Class: Class 150 to Class 900 (ASME B16.34). -
![ANSI Swing Check Valve]()
ANSI Swing Check ValveProduct Name: ANSI Swing Check Valve. DN(NPS): DN15 ~ DN1200 (1/2″ ~ 48″). Pressure: PN10 ~ PN420 (150 ~ 2500). Material: CF8, CF8M, CF3, CF3M, F304, F316, F321, S31803, S32750, 310 or as per your -
![GB Lift Check Valve]()
GB Lift Check ValveProduct Name: GB Lift Check Valve. DN(NPS): DN15 ~ DN1200 (1/2″ ~ 48″). Pressure: PN10 ~ PN420 (150 ~ 2500). Material: CF8, CF8M, CF3, CF3M, F304, F316, F321, S31803, S32750, 310 or as per your -
![GB Swing Check Valve]()
GB Swing Check ValveProduct Name: GB Swing Check Valve. DN(NPS): DN15 ~ DN1200 (1/2″ ~ 48″). Pressure: PN10 ~ PN420 (150 ~ 2500). Material: CF8, CF8M, CF3, CF3M, F304, F316, F321, S31803, S32750, 310 or as per your
Product Parameters
|
Item |
Details |
|
Size |
DN10–DN300 |
|
Pressure |
PN10~PN100(Class 150~Class 600) |
|
Working temperature |
-196℃~+80℃ |
|
Power |
Manual, Electric, Pneumatic, Hydraulic |
|
End Connection |
Flange, Welding, Threaded |
|
Structure |
Check |
|
Application |
Power Plant, Marine, Chemical, Construct |
|
Media |
Oil, Water, Gas, LOX, Acid |
|
Place of origin |
Jiangsu, China |
|
Customized Support |
OEM, ODM, OBM |
|
Warranty |
2 Years |
|
Selling Units |
Single item |
- Consistent sealing at extreme temperatures
- Maintains tight shut-off throughout the service life
- Bi-directional sealing capability
- Premier Quality Castings for safety and reliability
- Reduced risk of fugitive emissions
- Superior operation during fluctuations in cryogenic temperatures
- Special material handles thermal stress
How Cryogenic Check Valves Work
Flow Initiation
When cryogenic fluid flows in the intended direction, it pushes the disc or ball open, allowing passage through the valve.
01
Flow Regulation
As the fluid moves, the valve remains open, maintaining unidirectional flow. The materials used ensure minimal thermal expansion or contraction.
02
Backflow Prevention
If pressure attempts to reverse, the disc or ball is pushed against the seat, sealing the passage and preventing backflow.
03
Sealing at Low Temperatures
The valve's materials and design ensure a tight seal even under cryogenic conditions, avoiding leaks or failures.
04
System Safety
This mechanism protects equipment and maintains process integrity by stopping any reverse flow that could cause damage or contamination.
05
Key Components and Design Features of Cryogenic Check Valves
Cryogenic check valves incorporate several carefully engineered components to ensure reliable operation in ultra-low-temperature conditions.
Valve Body: The valve body forms the pressure-retaining shell and must tolerate extreme cold without cracking or deforming. Cryogenic check valve bodies are commonly manufactured from stainless steel, duplex stainless steel, bronze, or nickel-based alloys, all selected for their excellent low-temperature mechanical properties. These materials maintain strength and toughness even when exposed to cryogenic fluids
Disc or Poppet: The disc, also known as the poppet, is the moving component that opens and closes in response to flow direction. In cryogenic service, the disc must remain free-moving and resistant to sticking or seizure caused by ice formation or thermal contraction. Precision machining and low-temperature-compatible materials ensure smooth operation and rapid response.
Valve Seat: The seat provides the sealing surface between the disc and the valve body. In cryogenic check valves, the seat is designed to remain leak-tight despite extreme temperature fluctuations. Special metal-to-metal or soft-seat designs are used depending on the application, ensuring reliable sealing performance even under repeated thermal cycling.
Spring (Optional): Many cryogenic check valves feature a spring-loaded design to ensure rapid closure when forward flow stops. The spring assists in closing the disc quickly and consistently, improving response time and reducing the risk of backflow. Springs used in cryogenic valves are made from materials that retain elasticity and strength at low temperatures.
Extended Bonnet (Common in Cryogenic Designs): In certain cryogenic applications, an extended bonnet is used to move sealing and packing components away from the cold zone. This prevents freezing of critical sealing elements and ensures long-term operational reliability. Extended bonnets also help reduce heat transfer into the cryogenic system, improving overall efficiency.
Cryogenic check valves are widely used across multiple industries, including:
Liquefied Natural Gas (LNG): Production, storage, transport, and regasification
Industrial Gases: Liquid nitrogen, oxygen, and argon systems
Air Separation Units: Ensuring process stability and safety
Petrochemical and Chemical Processing: Low-temperature reaction and storage systems
Energy and Aerospace: Hydrogen, helium, and oxygen handling
Compliance
Design Standard: BS 6364, API 6D, ASME B16.34
Flanged End Dimensions: ASME B16.5
Butt Welded End Dimensions: ASME B16.25
Face-to-Face Dimensions: ASME B16.10, EN558, JIS B2002, MSS SP72
Pressure-Temperature Ratings: ASME B16.34
Mounting Pad: ISO 5211
Inspection & Testing: API 598, EN12266, MSS SP82, ISO 5208
Fugitive Emission: ISO 15848, API 624, API 641
Firesafe: API 607, API 6FA, ISO10497
FAQ
As one of the leading check valve manufacturers and suppliers in China, our products have good reputation in the market. We warmly welcome you to buy high quality check valve made in China here from our factory. We also accept customized orders.
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