Tiyo lè doub orifis, fen bride, ak tij
Non:Double orifis Air Valvs,Flanged Fen, Ak Tij
1.Standard: Konfòme ak BS EN1074-4: 2000, JKR20200-0043-99
2.Flange komanse fouye nan EN1092-2
3.Materyèl: Ductile Iron
4.Normal Presyon:PN10/16
5.Size: DN40-DN300