Pneumatic fan body is mainly composed of left or right the body of the valve, gear, ring gear, screw, valve plate, seal parts, etc. Is composed of base, sticks a rigid structure. Echo detections in the valve opening and closing the cylinder and the cylinder. Open-close cylinder through the ring gear, gear and screw pay screw driver left and right body complete loosen, the clamping action. Complete opening and closing action version of cylinder to drive the valve plate. The rubber sealing ring inlaid on the valve plate, sealed performance is good, easy to change. The open-close position of the valve controlled by the flameproof switch. This valve can be a single remote control, can be more connected to the remote control. Abnormal cases still can use manual operation mechanism of valve itself. This valve is installed, please refer to installation direction shown in the figure.

This series automatic quadrant of the valve with pneumatic, hydraulic, electric drive mode and three kinds of different specifications according to different structure forms. To meet the user's energy conditions, environmental conditions and working conditions. This series automatic fan with its superior performance of the valve for the metallurgy, chemical industry, environmental protection and other industries of toxic, harmful and flammable gas pipeline automation control equipment provides a safe, reliable to partition. This valve connecting flange size GB2555-81 standard. In line with the GB/T13927-92 standard test method.