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.
| 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 |