Low pressure air relief valve (simple effect):
The device evacuates great air amounts during the filling of the piping or allows the inlet of great air amounts (in order to avoid a vacuum effect) during the emptying of the piping.
Range:DN50, 60, 65 and 80 PN10-16-25
| Description | DN(mm) | PN | ØD(mm) |
|---|---|---|---|
| 4000S | 50 | 10-25 | 165 |
| 4000S | 60/65 | 10-16 | 185 |
| 4000S | 60/65 | 25 | 185 |
| 6000S | 80 | 10-25 | 200 |