- pneumatic ball valve Manual to clamp the purpose of the pneumatic knife gate valve and advantages

manual knife gate to the clamp of the utility: manual pneumatic knife gate valve to the clamp is widely used in tap water, sewage, construction, petroleum, chemical, food, medicine, textile, electric power, shipbuilding, metallurgy, energy systems such as body line used as adjustment and the closure device. 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. Manual brake of the pneumatic valve gate for linear motion with pneumatic valve stem, called pneumatic lifting lever gate valve ( Also called pneumatic rising stem gate valves. Usually in lifting lever on the trapezoidal thread, through the nut at the top of the pneumatic valve and pneumatic valve guide groove, the rotary motion to linear motion, which is the operating torque thrust into operation. 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. Advantages: manual knife gate to the clamp. 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.
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