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Stainless steel CF8M spring check valve 381 3-piece body BW
The 381 series is a 3-piece body spring check valve, in stainless steel, with BW ends, metal-metal tightness and PTFE gaskets. It is ACS certified for drinking water and complies with CE 1935 for the food idnustry.
Documentation
Details
| DN inches NPS | 2'' |
|---|---|
| Option certificate 3.1 | Yes |
| Mounting direction | All positions |
| Construction standard | EN 12516-1 - ASME B16.34 |
| CE risk category | III Module H |
| Tightness test standard | API 598. table 6 |
| Closure member material | Stainless steel AISI 316 |
| Application | Industry |
| ATEX atmosphere | Group II Cat. 2G/2D |
| ATEX compatible | Yes |
| Diameter of passage | 49 |
| Face to Face (mm) | 117.0 |
| Sealing | Metal / Metal |
| Fluid | Acids |
| Gasket | PTFE |
| Kv (m³/h) | 25.1 |
| Body material | Stainless steel CF8M (1.4408) |
| PS (bar) | 63 |
| Connections | Welding BW |
| Seats | Stainless steel AISI 316 |
| TS max (°C) | 200 |
| TS min (°C) | -20 |
| ATEX zone | 1 & 21. 2 & 22 |
| Drinking water compatibility | Yes |
| CE | Yes |
| Obturator type | Spring |