Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve

Product Details
Media: Gas
Temperature: Low Temperature
Material: Cast Steel
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  • Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve
  • Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve
  • Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve
  • Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve
  • Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve
  • Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve
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  • Overview
  • Product Description
  • Product Parameters
  • Detailed Photos
Overview

Basic Info.

Model NO.
H44H
Connection Form
Flange
Structure
Lift Type
Pressure
Ordinary Pressure
Sealing Form
/
Flow Direction
Unidirection
Standard
ANSI
Application
Industrial Usage, Water Industrial Usage, Household Usage
Size
2"-48"
Operation
Handle, Gear
MOQ
1
Customized
OEM
Transport Package
Wooden Case
Trademark
SWF VALVE
Origin
China
HS Code
8481804090

Product Description

 
Product Description

Introduction:

The low temperature lift check valve is specifically designed for cryogenic media (such as LNG, liquid nitrogen, liquid oxygen, etc.). It adopts a lift-type structure, utilizing the disc's (self-weight) and medium pressure to automatically open or close, preventing backflow. Key features include cryogenic-resistant materials (e.g., stainless steel, austenitic steel), specialized sealing (metal hard seal or PTFE soft seal), and anti-freeze design to ensure reliability in extreme(low-temperature) environments. It is widely used in LNG storage/transportation, air separation units, and petrochemical cryogenic energy recovery systems.

Application:
LNG Systems: Storage tanks, terminals, tanker loading/unloading.
Air Separation: Liquid nitrogen/oxygen/argon pipelines.
Chemical Processes: Ethylene, propylene cryogenic control.
Aerospace Fuels: Liquid hydrogen/oxygen transfer.


Structual Features:
  • Body Material: Cryogenic carbon steel (ASTM A352 LCB/LCC) or stainless steel (CF8M), subzero-treated to prevent brittleness.

  • Disc Type: Swing disc with stainless steel pivot pin for low-torque operation.

  • Sealing System:

    • Metal hard-faced (Stellite) or PTFE seals (above -100ºC).

    • Precision-lapped seat-disc contact for ISO 5208 Grade A leakage.

  • Extended Bonnet: Isolates stem packing from cryogenic fluid.

Product Parameters
Parameter
Size DN50- DN1200 (1/2" - 48")
Pressure Class 150~ Class 2500
Temperature -196ºC to +200ºC
Media LNG,Liquid Oxygen,Liquid Nitrogen etc.
Operation Hand wheel,worm wheel,Pnumatic ,electric
Detailed Photos

Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve
Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve
Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check ValveCasting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve

Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve


Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check ValveCasting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve
Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve
Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve
Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve
Casting Steel CF3m Cryogenic Low-Temperature Lift Type Check Valve



 

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