



Large orifice Air Valve Type S
RANGE / MARK ®
AIR VALVES
CHOICE OF PRODUCT
Air Valves
PRODUCT FAMILY
PIPELINE PROTECTION
PIPELINE PROTECTION
Main features
![]() | 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
Material and coating
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Item | Quantity | Description | Material |
01 | 01 | Body | Ductile iron GS 400-15 |
02 | 01 | Upper flange | Ductile iron GS 400-15 |
03 | 01 | Protection grid | Stainless steel AISI 304 |
04 | 01 | Cover | Stainless steel AISI 304 |
05 | 04 | Threaded bar | Stainless steel AISI 304 |
06 | 08 | Nut | Stainless steel A2 |
07 | 04 | Washer | Stainless steel A2 |
08 | 01 | Float | ABS |
09 | 01 | Float guide | ABS |
10 | 01 | Ring | ABS |
11 | 01 | Gasket seat | ABS |
12 | 01 | Lip seal | EPDM 55 |
Performances
Capacity of air flow
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