Large orifice Air Valve Type S
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
Technical design
Technical design
| 4000S | 50 | 10 - 25 | 150 | 275 | 165 | 9 | 203930 |
| 4000S | 65 | 10 - 16 | 150 | 275 | 185 | 9 | 203935 |
| 4000S | 65 | 25 | 150 | 275 | 185 | 9 | 203938 |
| 6000S | 80 | 10 - 25 | 220 | 370 | 200 | 20 | 203946 |
Features
Material and coating
| Item | Quantity | Description | Material |
|---|---|---|---|
| 1 | 1 | Body | Ductile iron FGS 400/15 or 500-7 |
| 2 | 1 | Upper flange | Ductile iron FGS 400/15 or 500-7 |
| 3 | 1 | Protection grid | Stainless steel AISI 304 |
| 4 | 1 | Cover | Stainless steel AISI 304 |
| 5 | 4 | Threaded bar | Stainless steel AISI 304 |
| 6 | 8 | Nut | Stainless steel A2 |
| 7 | 4 | Washer | Stainless steel A2 |
| 8 | 1 | Float | ABS |
| 9 | 1 | Float guide | ABS |
| 10 | 1 | Ring | ABS |
| 11 | 1 | Gasket seat | ABS |
| 12 | 1 | Lip seal | EPDM 55 |
Performances
Capacity of air flow
Documents
Documents