OS & Y Resilient Seat Gate Valve
DIN 3352 F4 Gate Valves, Rising Stem Resilient Soft Seated Grate Valves Cast Iron Valves Working Pressure: PN10/PN16 Flange drilled by DIN2532/2533/2501 Valve Size: DN50-DN300
cast iron or cast steel, forged steel valves.gate valves.