The wafer butterfly valves are low torque, quarter turn, centered disc butterfly valves, with compact design. They are widely applied as regulation, or on/off valves.
| body | cast steel A216WCB, GP-240-GH+N |
|---|---|
| disc | cast steel A217 CA15 |
| stem | cast steel A182 F6 |
| seat ring | BUNA-N |
| lever / reducing gear | cast iron / ductile iron |
| painting | high clorinated polyethylene HCPE |
| DN | L mm. | H1 mm. | H mm. | Weight kg. |
|---|---|---|---|---|
| 50 | 42 | 241 | 355 | 10 |
| 65 | 44.7 | 264 | 378 | 10 |
| 80 | 45.2 | 276 | 390 | 11 |
| 100 | 52.1 | 314 | 428 | 14 |
| 125 | 54.4 | 340 | 454 | 30 |
| 150 | 55.8 | 365 | 479 | 34 |
| 200 | 60.6 | 435 | 628 | 66 |
| 250 | 65.5 | 495 | 688 | 98 |
| 300 | 76.9 | 579 | 767 | 134 |
| 350 | 76.9 | 635 | 823 | 168 |
| 400 | 86.5 | 709 | 990 | 200 |
| 450 | 105.6 | 750 | 1031 | 250 |
| 500 | 131.8 | 841 | 1126 | 334 |
| 600 | 152 | 1021 | 1236 | 434 |
| Hydrostatic test | Pneumatic test | ||||
| shell | seat | ||||
| bars | psig | bars | psig | bars | psig |
| 30 | 435 | 23 | 335 | ≥ 5,6 | ≥ 80 |
