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500电竞平台最新官网

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0577-8699 7899 zhengpengvalve@163.com

CN

Location:Home - Products

Special Valve

Coal

Coal Chemical Disc Valve

The valve drives the valve plate motion through the rotating shaft, so that the motion force of the valve switch is rotating motion. The piston rod and sealing filler of the pneumatic actuator do not contact with the medium directly, which greatly prolongs the service life of the pneumatic actuator. At the same time, the novel and unique design solves the leakage of material in the sealing part of the same kind of valve shaft. The valve body is made of precise cast steel, the sealing filler is made of wear resistant and high temperature resistant fluororubber seals, and the sealing surface between the valve plate and the seat is made of wear resistant cemented carbide or wear resistant and toughening structural ceramics. The surface is smooth and the hardness can reach 60~70HRC. The problem that the sealing surface is easy to be eroded due to material erosion and the service life is not high is solved. The service life of the sealing surface is 5-10 times longer than that of the ordinary material valves, which brings reason to users. The desired use effect and economic benefits greatly improve the safety and stability of equipment operation.


The valve has the characteristics of good sealing performance, strong wear resistance, high temperature resistance, no Cather phenomenon of switch, no ash jamming or accumulation, long service life and so on.


The pneumatic actuator makes the valve plate rotate through the rotating shaft and swing arm, and loads the spiral compression spring between the valve plate and the sealing surface. The spring force keeps the sealing surface of the valve plate close to the sealing ring surface, and allows the valve plate to move in the vertical direction, which helps to compensate for the thermal expansion and contraction of the valve parts, and can overcome the influence of any back pressure change on the sealing, and also can prevent the granular medium. Enter between the sealing surfaces. The difference of the friction force between the sealing face of the valve plate and the sealing ring in the tangential direction makes the valve plate rotate in the opening and closing process, which makes the sealing face grind and polish. All these characteristics make the valve have a long service life and provide a reliable guarantee for the safe operation of your system.


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Special Valve

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