Usa ka Orifice Automatic Air Valves, Threaded End, D Type
Ngalan: Single OrificeAwtomatikong Air Valves,Threaded End, D Type 1.Standard: Nahiuyon sa BS EN1074-4:2000 2.NPT/BSP Threaded end 3.Materyal: Ductile Iron 4.Normal Pressure:PN10/16 5.Size: DN15-DN25