ລາຍ​ລະ​ອຽດ​ສັ້ນ​:

Name: Combination Air Valve, Double Orifice 1.Standard: Conforms to BS EN1074-4:2000 2.Flange drilled to EN1092-2 3.Material: Ductile Iron 4.Normal Pressure:PN10/16 5.Size: DN100,DN15 DN200,DN250