Our factory specializes in producing change flapper valve, electric gate valve, manual gate valve, pneumatic flapper valve frequency electrical discharge, radio frequency cinder valve motor, electric motor frequency air lock, a radio frequency electric organ blower, explosion-proof motor discharge, explosion-proof motor cinder valve, explosion-proof motor lock wind, explosion-proof electric organ blower, stainless steel discharge, stainless steel cinder valve, stainless steel air lock, stainless steel chain off the fan discharge, chains cinder valve chain lock wind, chain off the fan, heat discharge, temperature cinder valve, high temperature air lock, a high temperature sealing off the fan discharge, high sealing cinder valve, blocking the wind density, high Seal off the fan, three unloader, three cinder valve, tee air lock, a tee off fan dust unloader, coal unloader, the end of coal unloader, granule discharge, lime unloader ash discharge valve, boiler discharge, under the feeder food, chemical discharge, food unloader, sawdust unloader, star dust unloading valve electric lock wind flap valve, motor double replica cinder valves, Shuangchui cinder valve flap, flap valve, rotary lock fan. Can provide drawings or requirements of various caliber manual electric flapper valve flapper valve (round mouth and square mouth), also known as a manual hand flapper valve flapper door, is widely used in building materials, metallurgy, chemical, electrical and other industries in accordance with the customer, As various types of dust removal equipment and a variety of hopper discharge means mills, dryers, silos and other equipment to the discharge device to prevent Wild Wind blowing. Manual flapper valve unloader mostly for supporting the use of two round mouth into side port. Its compact, wearable, a small amount of leakage, a simple, flexible movement, effort, etc., can work, mouth to make a choice at a high temperature, high dust, magnetic environment based on the shape of the discharge. Using high-quality carbon steel welded, widely used in metallurgy, carbon, chemicals, building materials and other industries. Flue gas piping system used for flue gas cleaning system regulation, switching effect.