Эластичные сидящий задвижки

NON-RISING STEM SINGLE WEDGE DISC GATE VALVE Specification Nominal pressure: PN0.6-1.6MPa Nominal diameter: DN50-500MM Driving type: manual or square head Leakage: GB/T13927(ISO5208) class AStandard: GB, BS, ISO, JIS, DIN, AWWA Suitable medium: water, sea water Suitable temperature: ≤100 Mail material: grey cast iron, ductile cast iron, alloy cast iron, steel Features: The gate is covered with rubber with good sealing. There is no gate groove at the bottom of the valve and the flow resistance is low. The inner surface of the valve is sprayed with epoxy and it is not corroded and no rusty water comes into being so it is suitable to be used in the water distributing and discharging project .