What is a Pneumatic Knife Gate Valve

by:Lianke Valve     2022-07-30
The following is an introduction to the basic principles, precautions, features and advantages of pneumatic knife gate valves. Pneumatic knife gate valve is made into two forms of dark rod and open rod according to different calibers. The full-circle DC channel design does not store slag and does not block. The bottom end of the blade is processed into a blade shape, which has the function of cutting off soft materials such as fiber, paper pulp and wood pulp, and has a good opening and closing function at the same time. Pneumatic Knife Gate Valve, Pneumatic Knife Gate Valve Knife Gate Valve American Standard Knife Gate Valve Product Use Precautions and Features: The opening and closing part of the knife gate valve is the gate, the movement direction of the gate is perpendicular to the direction of the fluid, the knife gate valve It can only be fully opened and fully closed, and cannot be adjusted or throttled. The gate has two sealing surfaces. The two sealing surfaces of the most commonly used mode gate valve form a wedge shape. The wedge angle varies with the valve parameters, usually 50. The gate of the wedge type knife gate valve can be made into a whole, called Rigid gate; it can also be made into a gate that can produce slight deformation to improve its craftsmanship and make up for the deviation of the sealing surface angle during processing. This gate is called an elastic gate. When the knife gate valve is closed, the sealing The sealing surface of the gate can be sealed only by the medium pressure, and the sealing surface of the gate plate is pressed to the valve seat on the other side by the medium pressure to ensure the sealing of the sealing surface, which is self-sealing. Most knife gate valves are forced to seal, That is, when the valve is closed, the gate must be forced to the valve seat by external force to ensure the tightness of the sealing surface. Pneumatic knife gate valve has the advantages of simple and compact structure, reasonable design, light-weight material, reliable sealing, light and flexible operation, small size, smooth channel, small flow resistance, light weight, easy installation and disassembly, etc. 2.5MPa, it can work normally when the temperature is -29-650℃. The gate of the knife gate valve has a shearing function, which can scrape off the adhesive on the sealing surface and automatically remove the sundries. The stainless steel gate can prevent the seal leakage caused by corrosion. The above is the introduction to the application and installation of the pneumatic knife gate valve. If you have any questions, you are welcome to come to Lianke Valve Co., Ltd. for consultation. Tel: 17774207177 or 57609878. Lianke Valve Co.,Ltd. is a company dedicated to valve innovation and manufacturing. It strives to bring good valves to everyone, integrate them into everyone's life, and contribute to a better world.
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