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Cryogenic Safety Valve
Cryogenic Safety Valve
Cryogenic Safety Valve
Cryogenic Safety Valve
Cryogenic Safety Valve
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Cryogenic Safety Valve
Cryogenic Safety Valve
Cryogenic Safety Valve
Cryogenic Safety Valve
Cryogenic Safety Valve

Cryogenic Safety Valve

Customization: Available
Media: Gas
Standard: GB
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Product Description

Basic Info.

Model NO.
DN8-DN200
Certification
ISO, GB
Temperature
Low Temperature
Connection
Thread and Flange
Pressure
Adjustable
Closed
Closed
Structure
Spring
Material
Stainless Steel
Trademark
LD
Origin
China

Cryogenic Safety Valve

Cryogenic safety valve is mainly used for pipeline safety discharge systems of various cryogenic media. It features accurate starting and jumping combined with reliable sealing performance.

Main Technical Parameters:
Nominal Diameter: 10mm~25mm
Nominal Pressure: 4.0MPa
Suitable Media: LNG, LO2, LN2, LAr, etc.
Temperature: -196℃ ~ +80℃
Connection: Screw thread
Cryogenic Safety Valve Specification

Main Parts and Materials

Valve Body
CF8
Spring
1Cr18Ni9-B
Valve Disc
304+PTFE

Dimensions & Connection

P.C. DN Size (Unit: mm)
L L1 L2 D0 M1 D1 M2 D2
L7K15 15 114 35 67 12 M30X1.5 Ø18x3 M30X1.5 Ø25x3
L7K20 20 140 47 82 20 M36X2 Ø25x3 M45X2 Ø28x3
L7K25 25 140 47 82 20 M36X2 Ø28x3 M45X2 Ø38x4

* Note: Customization is available for key overall dimensions and connection dimensions.

Related Safety Valves

We offer a full range of cryogenic valves across all categories. Please refer to the models below:

Safety Valve Model 1
Safety Valve Model 2
Safety Valve Model 3
Safety Valve Model 4

Frequently Asked Questions

What is the main application of a cryogenic safety valve?
It is primarily used for pipeline safety discharge systems involving cryogenic media such as LNG, liquid oxygen (LO2), liquid nitrogen (LN2), and liquid argon (LAr).
What is the applicable temperature range for these valves?
These valves are designed to operate efficiently in extreme environments ranging from -196℃ to +80℃.
What materials are used in the construction?
The valve body is typically made of CF8 stainless steel, with 1Cr18Ni9-B for the spring and 304+PTFE for the valve disc to ensure durability and sealing at low temperatures.
Can the connection dimensions be customized?
Yes, customization is available for key overall dimensions and connection specifications to meet specific project requirements.
What are the pressure ratings for these valves?
The standard nominal pressure is 4.0MPa, and the pressure settings are adjustable based on the application.
What certifications do your valves hold?
Our products are manufactured according to ISO and GB standards to ensure high quality and safety compliance.

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