Single Orifice Automatic Air Valves,Threaded End, D Type

Name: Single Orifice Automatic Air Valves,Threaded End, D Type 1.Standard: Conforms to BS EN1074-4:2000 2.NPT/BSP Threaded end 3.Material: Ductile Iron 4.Normal Pressure:PN10/16 5.Size: DN15-DN25