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عربىThe diaphragm material used in the industrial metering diaphragm pump is usually high-performance materials such as rubber, polytetrafluoroethylene or reinforced polyvinyl chloride. These materials not only have good corrosion resistance and wear resistance, but also maintain good elasticity and sealing in a wide range of temperature and pressure. The sealing performance of the diaphragm directly determines the anti-leakage ability of the pump. Through precise design and manufacturing, the contact surface between the diaphragm and the pump body can form a tight seal to effectively prevent medium leakage.
The working principle of the diaphragm pump is to achieve the suction and discharge of the medium through the reciprocating motion of the diaphragm. During the working process of the pump, the diaphragm is continuously agitated back and forth under the action of the drive mechanism, thereby changing the volume in the pump chamber and realizing the delivery of the medium. Due to the isolation effect of the diaphragm, the medium and the drive mechanism are completely separated, avoiding direct contact between the medium and the drive components, thereby effectively preventing leakage problems caused by wear or corrosion of components.
In addition to the isolation effect of the diaphragm itself, the coordination of the suction and discharge valve group is also crucial to the leakage-free characteristics of the pump. The suction and discharge valve group is responsible for controlling the inflow and outflow of the medium during the movement of the diaphragm to ensure the smooth flow of the medium in the pump chamber. The sealing performance of the valve directly affects the leakage of the pump. Therefore, the suction and discharge valve group usually adopts high-performance sealing materials and precise manufacturing processes to ensure that the valve can form a tight seal during the opening and closing process to prevent medium leakage.
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