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Stainless steel CF8M wafer spring check valve 390 S-First
The 390 series wafer spring check valve is made of stainless steel body and disc, between flanges PN10/16/25/40, ANSI 150 and ANSI 300, all-position mounting, metal-metal tightness, for chemical, pharmaceutical and petrochemical industries.
Documentation
Details
| DN inches NPS | 1/2'' |
|---|---|
| Option certificate 3.1 | Yes |
| Mounting direction | All positions |
| CE risk category | II Module A2 |
| EN face-to-face standard | EN 558 Series 49 |
| DIN face-to-face standard | DIN 3202 K4 |
| Tightness test standard | API 598. table 6 |
| Closure member material | Stainless steel AISI 316 |
| Application | Industry |
| ATEX atmosphere | Group II Cat. 2GD c T2 |
| ATEX compatible | Yes |
| Face to Face (mm) | 16.0 |
| Sealing | Metal / Metal |
| Fluid | Acids |
| Kv (m³/h) | 4.4 |
| Body material | Stainless steel CF8M (1.4408) |
| PS (bar) | 40 |
| Connections | Between flanges PN10/16/25/40 #150 |
| 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 |