Low-temperature Safety Valve, A351 CF8, DN20, PN16, 1 Inch
- Product Name:
- Cryogenic Safety Valve, Stainless Steel
- Body Material:
- ASTM A351 CF8
- Size:
- DN20
- Pressure:
- PN16, Class 150 LB
- End Connection:
- Threaded
- Temperature Range:
- -196°C to 180°C
- Medium:
- Steam, Air
Key Specifications / Features
The Low-temperature Safety Valve Factory produces a specialized safety valve designed for cryogenic applications. This valve features a stainless steel body made from ASTM A351 CF8 material, ensuring durability and resistance to extreme cold temperatures. It has a DN25 (1-inch) size with a PN16 pressure rating, equivalent to Class 150 LB, and comes with threaded ends for secure installation.
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
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 |
