Manual for the purpose of the pneumatic knife gate valve

manual pneumatic knife gate valve to the clamp is a pneumatic valve technology. To solve the problem is to provide a shorter structure, small volume, reliable sealing, long service life and pneumatic breaker gas valve. Including the constituents of the pneumatic valve body, disc, pneumatic valve, pneumatic valve stem and transmission mechanism, the characteristics, pneumatic valve body is flat plate structure, and pipeline connection to the clamp. Ram adopt single ram, side with pneumatic valve pneumatic valve seat seal, and pneumatic wedge contact between the body to the other side on the back, to the flow direction of medium sealing surface and relative. Gate wedge contact structure is all has wedge clamping piece on the back of the sealing surface, the other side of the pneumatic valve body corresponding to the clamping piece set to adjust the top wire. Utility model with pneumatic valve body structure length is short, light weight, pneumatic valve seat sealing surface can be protected from dielectric flushing, sealing surface uniform compression, joint closely, in the process of closing to pneumatic dust particles on the surface of the valve seat seal, blown away such as tar, and convenient sewage. Suitable for use in gas pipeline containing dust and tar. 。 Manual for new varieties of brake is pneumatic knife gate valve, small volume, light weight, light material saving, water, coal slurry, slag slurry, air, water mixture, water supply, paper making, mining and other unemployed in the ideal product. 。 Manual knife gate to the clamp with metal to metal hard seal, or use a metal to rubber soft seal. In the process of opening and closing, ram and adopted the special design on sealing surface, less friction, durable. 。 Manual knife gate to the clamp on the seal broke the conventional form of seal, the cover structure, make the seal by the large area of the rectangle changed to a small area of the circular seal, sealed performance is greatly improved. On the basis of the circular sealing, and use of the current international advanced floating seal structure, make the seal reach the level of the life with pipe, pneumatic valve life can be enhanced on the whole. 。 Knife gate to the clamp manually after the installation of sleeve device on the top of the handwheel, can make all moving parts in a closed state pneumatic valve, pneumatic valve disc and stem of screw drive will not unsmooth by lubricating oil dry. Especially suitable for the dust and dry environment normal work of the medium and long term.
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