1、 适用于粒体下料管线中对气体要求气密之场合。 2、 阀体特殊防止咬料设计，闸板开闭时防咬料遮板可防止粒子堆积卡死，避免增加作动力导致磨损。 暂无相关方案。 相关资料 暂无数据。 闸刀阀、插板阀-U型气气密式闸刀阀U-Seal Knife Gate Valve-Pneumatic/Manual的 ...

Stop valves use a rubber gasket to shut off water flow, and must be installed in the correct direction to work properly. Gate ...

Since that valve is just as old, test it to make sure it closes all the way and reopens again.Mineral deposits and tiny ...