Single Orifice Air Valve Body: Cast iron, Ductile Iron, Stainless Steel Seat: Stainless Steel Bolt: Carbon Steel Cover: Cast Iron, Ductile Iron, Stainless Steel Bucket: Cast iron, Ductile Iron, Stainless Steel Gasket: NBR, EPDM Float: Stainless Steel Nominal Diameter: DN40 to DN200 Nominal Pressure: Class150 to Class300, PN16 to PN40 Design and Manufacture Standard: DIN3352 […]