Manual concealed stem knife shaped gate valve DMZ73H

Overview of New Products This knife shaped gate valve is a new variety of gate valves, with small volume, light weight, lightweight and material saving. It is an ideal product in industries such as sewage, coal slurry, syrup, mud, air, slag water mixture, water supply, papermaking, mining, etc. Knife gate valves use a hard metal to metal seal or a soft metal to rubber seal. During the opening and closing process, the gate and sealing surface adopt a special design, with less friction and durability. The upper seal of this knife shaped gate breaks through the conventional sealing form and adopts an upper cover structure, which changes the upper seal from a large rectangular seal to a small circular seal, greatly improving the sealing performance. On the basis of circular sealing, the internationally advanced floating seal has been adopted and replaced with an area based circular seal, greatly improving the sealing performance. On the basis of circular sealing, the internationally advanc…

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