Design and manufacture as per BS EN593
Face to face dimensions as per BS EN558 Series 13
Flange dimensions as per Gost 33259-2015
Pressure test as per BS EN12266-1
DN400-2000 Flange Butterfly Valve
Description
| Pressure test | PN10 | PN16 | PN25 |
| Shell | 15bar | 24bar | 37.5bar |
| Bidirectional seal (Water) |
11bar | 17.6bar | 27.5bar |
Media: Water, oil and gas Temperature: -5~200℃ Dimension: mm
Material
| No. | Part Name | Material | No. | Part Name | Material |
| 1 | Cover | Q235 | 8 | Disc | WCB |
| 2 | Thrust ring | 20# | 9 | Retainer | Q235 |
| 3 | Body | WCB | 10 | Packing | Graphite |
| 4 | Bushing | Self- lubricating | 11 | Gland | WCB |
| 5 | Body seat | SS304 | 12 | Yoke | WCB |
| 6 | Disc seat | SS304+ XB450 | 13 | Gear box | Ductile iron |
| 7 | Stem | 2Cr13 |
