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About the pneumatic knife gate valve sealing surface than the calculation of pressure -Mech Valve

by:Mech     2020-04-09

拫 pneumatic knife gate valve according to the existing concept, under the influence of pressure, in the flat narrow interval in the motion of viscous medium play the following properties: contact with the metal liquid layer adhesion on gold folded surface, and with the speed of the surface. The speed of each single layer and the layer is directly proportional to the distance of the metal surface to increase. As a result, the fluid flow is formed by the liquid moves in a straight flat form. At the same time, according to the distance on the surface of the metal has a variety of different speed. When pneumatic knife gate valve seal joint is longer than the other, smaller, and liquid viscosity is bigger, the leakage of liquid is not easy. Vice just blame standing leakage. Diagram theory and formula, therefore, is impossible to give designers can take advantage of the pneumatic knife gate valve of calculated data, so in the pneumatic knife gate valve manufacturing 屮 also use experimental method to study of various causes affecting connecting sealing fluid, namely research by sealing surface leakage.


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