Z41T/W/H-10/16 Cast Iron Gate Valve 1) Sizes: 40mm - 600mm 2) Seal: Brass 3) Body: Grey iron, Ductile Iron 4) Disc: Grey iron, Ductile Iron 5) Bonnet: Grey iron, Ductile Iron 6) Stem: Carbon steel, Stainless steel, Brass 9) Pressure: 1 MPa (1kg), 1.6 MPa (kg) 10) Connection type: Flange end 11) Control method: Handle 12) Advantages: Good appearance, long service life and flexible switch.