Low-temperature Safety Valve, A351 CF8, DN25, PN16, 1 Inch

Product Name: Cryogenic Safety Valve, Stainless Steel
Body Material: ASTM A351 CF8
Size: DN25, 1 Inch
Pressure: PN16, Class 150 LB
End Connection: Threaded
Medium: Steam, Air
Temperature Range: -196°C to 180°C

The DA21F Safety Valve is designed as an overpressure protection device for cryogenic medium systems. It operates within a working temperature range of -196°C to +80°C and is suitable for liquefied natural gases, industrial gases (such as oxygen, nitrogen, argon, and carbon dioxide), and other related industries.

Technical Specifications

» Product Model: DA21F
» Normal Size Range: 3/8-1Inch (DN10-DN25)
» Normal Pressure Rating: PN10-PN40
» Materials: ASTM A351 CF8, CF8M, CF3, CF3M
» Ends Connections: BSP Thread, NPT Thread

Structural Diagram
Cryogenic Safety Valve Structural Diagram

Main Parts and Materials

No

Name of Parts

Stainless steel

Stainless steel

1

Body

AA351 CF8

A351 CF8M

2

Disc

SS 304+PCTFE

SS 316+PCTFE

3

Spring washer

SS 304

SS 316

4

Spring

12Cr18Ni9

12Cr18Ni9

5

Cap

SS 304

SS 316

6

Locking nut

SS 304

SS 316


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Zhejiang Kosen Valve Co., Ltd.

Zhejiang Kosen Valve Co., Ltd.


Supplier Website

Source: https://www.kosenvalve.com/low-temperature-safety-valve-a351-cf8-dn25-pn16-1-inch.html