Overview
- Chamfered Stub Flange DIN
- for butterfly valves
- with identification groove
- injection moulded+chamfered
- Butt + IR-welding
- PVDF natural
Backing Rings please see Accessories.
| Dimension | Code | Detail | Weight |
|---|---|---|---|
| 250 | 30.012.9250.21 | 250X11,9 SDR21 ISO S-10 | 3.460 |
| Unit | Nominale | Tol+ | Tol- | |
|---|---|---|---|---|
| da(OD) | mm | 250 | 1.6 | - |
| s | mm | 11,9 | 1.4 | - |
| L | mm | 97 | 4.5 | - |
| L3 | mm | 35 | 2 | - |
| d | mm | 255 | 3 | - |
| d3 | mm | 285 | - | 4 |
| d4 | mm | 320 | - | 1 |
| h | mm | 22 | 0.5 | 1.5 |
| alph | [°] | 25 | - | 3 |