| 1/2" | 100 | 25 & 50.5 | 88/99 |
| 3/4" | 100 | 25 & 50.5 | 88/99 |
| 1" | 130 | 50.5 | 110/123 |
| 1.25" | 146 | 50.5 | 129/138 |
| 1.5" | 163 | 50.5 | 139/159 |
| 2" | 190 | 64 | 159/186 |
| 2.5" | 210 | 77.5 | 180/185 |
| 3" | 225 | 91 | 210/220 |
The diaphragm provides the body seal as well as the seat seal. There are no paths to the outside environment and, as such, the valve is suitable for aseptic processes. When the valve is being closed, a pressure pad which supports the diaphragm moves towards the sealing face on the body