Pneumatic board valve
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Pneumatic flapper valve is a type of valve widely used in the industrial field, mainly used to control the flow or transport of powder, grain, granular and small pieces of material. The following is a detailed description of the pneumatic flashboard valve:
Working principle
The working principle of the pneumatic flapper valve is based on pneumatic drive technology. It is mainly composed of frame, gate, cylinder (or pneumatic actuator), nut and other parts. When the air source is connected, the compressed air enters the pneumatic actuator to push the piston or diaphragm to move, so as to drive the gate to reciprocate in the horizontal direction through the transmission device to realize the opening and closing function of the valve.
Structural features
Compactness: Pneumatic flapper valve adopts steel plate welding structure, compact structure and smooth work.
Flexibility: Pneumatic actuators make the valve flexible and can respond quickly to control signals.
Sealing: A reliable sealing structure is formed between the gate and the valve seat to prevent medium leakage.
Adaptability: pneumatic flapper valve can adapt to different angles of installation, easy to operate, can adjust the scale at any time. According to the working conditions, round or square flange can be selected, and the material can be stainless steel or carbon steel.Performance advantages
Fluid resistance is small: the resistance coefficient of the pneumatic slide valve is equal to the pipe section of the same length, and the resistance is small when the fluid passes through.
Tight and reliable: The sealing surface material is widely used in plastic and other materials with good sealing performance to ensure tight sealing.
Easy to operate: The pneumatic actuator makes the operation easier and easy to realize remote control.
Convenient maintenance: simple structure, easy disassembly and replacement of key components, reducing maintenance costs.
Wide range of use: the diameter is as small as a few millimeters, as large as a few meters, from high altitude to high pressure can be applied.Scope of application
Pneumatic flapper valve is widely used in building materials, metallurgy, mining, electric power, chemical industry, glass, light industry, food and other industries, mainly used for material flow control at the top, bottom and import and export positions. At the same time, in the system of conveying fly ash and powdery dry materials, pneumatic flapper valve is often used as a device to cut off the conveying material. In addition, it can also be installed in the lower part of the dry dust collector, flue and other ash hopper, supporting the use of electric feeder.
Routine maintenance
In order to ensure the normal operation of the pneumatic valve and prolong its service life, daily maintenance is very important. Here are some daily maintenance recommendations:
Check the working status: regularly check the opening and closing status of the pneumatic plug valve to ensure that there is no abnormal sound and leakage.
Clean the external surface: Clean the external surface of the pneumatic plug valve regularly to ensure that there are no impurities and dirt.
Check the connecting parts: check whether the connecting parts between the pneumatic actuator and the valve body are loose, and tighten them in time if necessary.
Replace the seal: if the seal is found to be damaged or aging, it should be replaced in time to ensure the sealing performance.
Lubricate the transmission: Regularly lubricate the transmission to reduce wear and extend service life.In summary, the pneumatic flapper valve with its simple structure, flexible operation, reliable sealing and other advantages in the industrial field has been widely used. During use, attention should be paid to operating specifications and maintenance to ensure its long-term stable operation.
Pneumatic board valve
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