Double Orifice Air Valve
Body: Ductile Iron, Cast Iron
Ball: SS304
Bonnet: Ductile Iron, Cast Iron
Gland: Ductile Iron, Cast Iron
Cap Top: Ductile Iron, Cast Iron
Washer: SS304, Carbon Steel
Nut: SS304, Carbon Steel
Bolt: SS304, Carbon Steel
Gasket: NBR
Stem: SS420
Stem Nut: SS420
Design and Manufacture Standard: DIN3352
Flanged End Dimension: DIN2501
Inspection and Test: BS6755