An adjustable cylindrical valve is used for overflow regulation at outlet of water-wheel outer periphery to improve various hydraulic performances.
水轮机采用设置在转轮外缘出口处的可调筒阀进行过流量的调节后，各项水力性能均将有所改善。
The shape of the valve plug can plug into a cylindrical or conical.
旋塞阀的阀塞的形状可成圆柱形或圆锥形。
It consists of pneumatic piston actuator and the composition of O-type ball valve, valve core sphere using cylindrical hole.
它由气动活塞式执行机构和O型球阀组成，阀芯采用圆柱形通孔球体。
It consists of pneumatic piston actuator and the composition of O-type ball valve, valve core sphere using cylindrical hole.
它由气动活塞式执行机构和O型球阀组成，阀芯采用圆柱形通孔球体。
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