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5.工作原理：Operation principle
当需要卸料时，电机运转，液压缸增压，推杆（活塞杆）收回，和推杆连接的阀板开启，物料卸下。反之，电机反转，推杆（活塞杆）推出，阀板关闭，停止卸料。
When discharging, the motor operates, hydraulic cylinder charges pressure, push rod (piston rod) draw back, the valve plate connected with push rod opens, the materials are discharged. Instead, the motor rotate reversely, push rod (piston rod) push out, the valve plate closes, stops discharging.
6.安装使用注意事项：Notes on Installation and Use：
6.1．本阀垂直安装，使用前应检查推杆是否灵活，电气安装连接是否正确。
This valve should be installed vertically, before the use should check whether the push rod is flexible, electrical installation and connection are correct.
6.2．检查填料是否压紧，应保证填料密封性，但又不妨碍推杆的正常工作。
Check whether the packing materials is compacted, should guarantee the sealing of the packing materials without hindering normal work of push rod.
6.3．安装前应消除阀门腔内及管道内尘屑杂物，以免影响密封性能。
Before installation should clean dust and sundries in cavity of valve and the pipeline, to avoid affect the sealing performance.
6.4．工作运动部位如推杆等保持良好的润滑，以保证其正常使用寿命。
Operation and moving parts such as push rod should keep good lubrication, to guarantee their normal life.
6.5．推杆的使用请查阅《电液动推杆使用说明书》。
Use for push rod see the "Operation instruction of electric hydraulic push rod."
6.6．本阀与管道连接安装后，应在适当位置加支撑及固定，以免阀门工作时震动摇晃。
After connection of this valve and pipeline, should increase support and fixation in appropriate locations, to avoid shaking shock when valve work.
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