1 OEM and ODM for all kinds of fire hydrant 2 DN 50, DN65, DN80, DN100,DN150 3 directly from largest hydrant maker in China Product name: fire hydrant valveMaterial: made of cast iron.Inlet interface: 50mm/2inches; 65mm / 2.5 inches, 80mm/3 inches, 100mm/4 inches, 150mm/6 inchesIntake type: cylindrical pipe female threadIntake Diameter: G2 1/2Outlet type: cylindrical pipe male thread with duct ...