Dobleng Orifice Air Valve, Flanged End, With Stem
Pangalan:Double Orifice Air Valves,Flanged End, With Stem
1. Pamantayan: Naaayon sa BS EN1074-4:2000, JKR20200-0043-99
2.Flange drilled sa EN1092-2
3.Materyal: Malagkit na Bakal
4.Normal na Presyon:PN10/16
5. Sukat: DN40-DN300