ASTM A351 CF8 Safety Valves, DN50, PN10, Full Lift, Threaded
- Product Name:
- Safety Valve with Handle, Full Lift
- Body Material:
- ASTM A351 CF8
- Size:
- DN50
- Pressure:
- PN10
- End Connection:
- Threaded
- Medium:
- Steam, Air
Key Specifications / Features
The China ASTM A351 CF8 Safety Valves Plant offers a high-quality safety valve designed for reliable performance. This full-lift safety valve features a stainless steel body, ensuring durability and corrosion resistance. It has a DN50 (2-inch) size with a PN16 pressure rating, equivalent to Class 150 LB, and comes with threaded ends for easy installation. The handle design allows for convenient manual operation.
The A27H type full lift safety valve is designed for use in equipment and pipelines handling water, air, steam, and other media with working temperatures below 200°C. The A27Y-P/R type is specifically tailored for equipment and pipelines dealing with corrosive media, also with working temperatures below 200°C. These valves are essential for providing extra pressure protection in various applications.
Technical Specifications
» Product Model: A27H, A27Y
» Normal Size Range: 1/2-3 Inch (DN15-DN80)
» Normal Pressure Rating: PN10-PN40
» Materials: ASTM A216 WCB, A351 CF8, CF8M, CF3, CF3M, Brass, Bronze
» Ends Connections: BSP Thread, NPT Thread
Structural Diagram

Main Parts and Materials
| No | Name of Parts | Carbon steel | Stainless steel | Stainless steel |
| 1 | Nozzle | AISI 1035 | SS 304 | SS 316 |
| 2 | Body | A216 WCB | A351 CF8 | A351 CF8M |
| 3 | Adjusting Ring | 2Cr13 | SS 304 | SS 316 |
| 4 | Disc | 2Cr13 | SS 304 | SS 316 |
| 5 | Spring | 50CrVA | 50CrVA | 50CrVA |
| 6 | Stem | 2Cr13 | SS 304 | SS 316 |
| 7 | Adjusting Bolt | AISI 1045 | 2Cr13 | 2Cr13 |
| 8 | Cap | ZG230-450 | SS 304 | SS 316 |
| 9 | Sealing surface | Overlay stellite | Overlay stellite | Overlay stellite |



