Model specifications FD9/6/3 41W-1 nominal diameter range of 0.1 MPa pressure structural characteristics and uses of the valve made of high quality alloy steel welding with small size, light weight, wear-resistant, long life, small cross section of the flow resistance of large, flexible hoist . The valves are widely used in metallurgy, building materials, petrochemicals, light industry pipeline, the gas flow rate of the medium, semi-liquid, gas-containing dust carried off, the automatic adjustment or remote control. The main performance Nominal: 0.1 MPa Temperature: ≤ 300 ℃ Leakage Rate: Ordinary <3% Medium: coal copies, gas, air, gas and other gas supply voltage: 220V or 380V.AC gas source: 0.5MPa :0-10 (4-20) mA.Dc or switch signal input signals