The composition of the strong German valve electric explosion-proof blind plate valve by the valve body, driving device, the clamping device. The valve body using a three-point structure, compact structure, the overall rigidity is good. Valve body, valve plate sealing pair made of a flexible stainless steel and rubber seal pair, reliable sealing, seal with Viton, high temperature, long service life. Using the screw-nut style clamping mechanism, clamping, release and prompt action, self-locking. Explosion-proof motor, whether indoors or outdoors, can ensure that the valves safe and reliable transportation action. The blind plate valve field manual operation can also be remote sequence. The blind plate valve can also be individually designed to the electrical control box operation control device, the machine factory unworthy of electrical control box, the user For another set. Manual fan-shaped blind plate valve by the left and right body, stretching, fan-shaped valve plate and screw clamping mechanism. Off valve: wrench (valve belt) to turn the screw seal pair loosen; chain hoist pull valve plate, valve closure, in place, and then in the opposite direction to turn the screw, seal, vice clamping the end of the valve clearance. Open the valve and vice versa.