Model: SX-T/SF-T Resilient seated gate valves Nominal Diameter: 50-300mm(SX-T) 350-500mm(SF-T) Nominal Pressure: 0.75MPa, 1.0MPa, 1.6MPa Materials Body: Ductile Cast Iron FCD450-10 Disc: Ductile Cast Iron FCD450-10(Vulcanized with EPDM rubber) Stem: Stainless Steel SUS403