941H-25C electric valve Shanghai, Tianjin Shield

Electric valve profile and use: electric valve for liquid, gas and wind system piping analog medium flow regulation, it is AI controlled. In the control valve of large wind systems can also be used to make two-position switch electric valve control. AI can have a feedback signal that can be controlled by the DO or AO, found relatively large pipe and valve and so on. Switch Type: electric valve drive motor is generally used, on or off the operation will take some time to complete analog can do adjust. Nature of work: electric valve drive motor is generally used to compare the withstand voltage shocks. Solenoid valve is a fast opening and fast off, usually used in small flow and little pressure to place large switching frequency electric valve and vice versa. Opening of the electric valve can be controlled, the state has opened, closed, half-open half-closed, you can control the flow of the medium in the pipe and valve to meet this requirement. Pneumatic valve: With compressed air valves. Valve is one of the most common on-off valve, use gate (ie opening and closing parts, in the opening and closing the shutter member called gate or gates, sluice gate called seat seat) to turn on the (full) or truncate (CLOSED) line of medium. It does not allow a closure with, use should be avoided trace the shutter open, high-speed flow of the medium due to erosion will accelerate the damage to the sealing surface. Paddle perpendicular to the centerline of the channel gate seat transported one-sided as the electric valve lift characteristics: 1, compact structure, reasonable design, the valve rigid, channel flow, flow resistance coefficient. 2, the sealing surface of stainless steel and tungsten carbide, long service life. 3, the use of flexible graphite packing plate, seal reliable, lightweight and flexible operation. 4, the drive sub-manual, electric, pneumatic, gear transmission, structure; elastic wedge single valve, rigid wedge single valve plate and double plate type. 5, widely used in petroleum, chemical, power plants and other oil, water, steam pipeline for opening and closing device connect or disconnect the pipeline medium. 6, valve open and close more effort. Shanghai Valve Co., Ltd. Tianjin Shield Welcome to consult the discussion!