Apejuwe kukuru:

Orukọ: Double Orifice Aifọwọyi Air Valves, Flange End 1.Standard: Ni ibamu si BS EN1074-4: 2000, JKR20200-0043-99 2.Flange ti gbẹ iho si EN1092-2 3.Material: Ductile Iron 4.Normal Pressure: 1P Normal Pressure 5.Iwọn: DN40-DN250