关键词 ] 座地式 ; 四摇臂抱杆 ; 分解组塔 [gap=12088]Keywords ] seating- type;4- rockersliftingpole;towerassemblinganderection
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return seating type valve 复位型阀
seating-type 座地式
bleacher-type seating 梯级式座椅
For larger valves, heavy duty VS series scotch yoke type actuators provide nonlinear torque characteristic with the highest possible mechanical advantage for seating and unseating the valve.
对于大型阀门,重型VS系列挡车轭类型的涡轮执行机构能够提供非线性特性的扭矩,具有最好的机械性能,适用于阀座和无阀座阀门。
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