滑板阀/刀阀/插板阀/刀闸阀是应用于固体物料（粉沫、颗粒物料、粉粒混合物、片状等）输送系统中用于启闭管道的推荐阀门，完整密封的结构可适用于室外环境，主要用于料仓、料斗或相关设备的底部。可以手动，气动或电动。气动滑板阀也称气动插板阀或气动刀阀或气动刀闸阀.是应用于固体物料（粉沫、颗粒物料、粉粒混合物、片状等）输送系统中用于启闭管道的推荐阀门.
双刀滑板阀又称双刀阀、双刀插板阀、双刀闸板阀），主要适用于固体物料（粉料、颗粒物料、粉粒混合料、片料等）输送系统中用于切换管道中物料流向的推荐设备，垂直管道中物料的重力卸料并换向，完整密封的结构可适用于室外环境。
Slide valve, sometimes called knife valve, or gate valve, is a special valve applicable for opening and closing piping in solid material conveying system. Its fully closed structure is applicable for outdoor condition, mainly used at the bottom of silos, hoppers or other related equipment. It can be manual, pneumatic or electric type. Pneumatic slide valve sometimes called pneumatic gate valve or pneumatic knife vale is a special valve for opening and closing the pipeline in solid material (powder, particle, powder and particle mixing, flakes,
Double knives slide valve (called double knives valves, double knives gate valve) is a special equipment for switching the material flow direction in the pipeline in conveying system, gravity discharging and direction changing in the vertical pipeline, its fully closed structure is applicable for outdoor environment.
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