Northern brand high-quality cast iron slapping doors and stainless steel slapping doors-quality assurance

High-quality cast iron flap door Stainless steel flap door quality assurance The flap door adopts a cast iron or carbon steel welded structure, which has the characteristics of light weight, high strength and reliability, and is composed of (box-type) door panel and door-type seals. The flap door is made of steel plate welded or cast and divided into upper and lower parts. This structure can make the door panel easier to open and reduce flow resistance. A rubber sealing ring is installed on the door body. The sealing effect is good. This structure can reduce the vibration generated when the flap door is closed. and impact force. The opening force comes from the water source pressure and the closing force is generated by the self-weight of the door panel, without manual operation. Our factory's leading products include screw-type hoists with double lifting points, hand-pushed locking type, closed hand-operated type, and flashlight dual-purpose type. Fixed mobile single and double lifting point winch hoist gates, shaped cast iron gates, cast iron inlaid copper gates, stainless steel gates, slap gates (tidal gates), weir gates, steel structure gates (arc gates, flat sliding gates, flat fixed wheel gates).
meters, including two-way water stop gates, reverse water stop gates, deep water gates, high pressure sealing box gates and various rubber water stops. Now the products have been sold to many provinces, municipalities and autonomous regions across the country, and are widely used in drainage, irrigation, hydropower stations, river aquatic products Breeding reservoir sewage treatment and other water conservancy projects. Our factory provides you with high-quality products and quality assurance. We sincerely welcome new and old customers to visit the factory to inspect and discuss cooperation. The purpose of our factory is to regard quality as life and seek development with credibility.