Through its analysis of hydraulic performance, the cone-way valve can work well when hydraulic loss is very small, and we can get the change rule of the fluid pressure and the speed .
The winch adopted valve-controlled proportional speed regulation hydraulic drive and PLC control to realize stepless speed change of the winch drum and coordinating control of the cable layer.
管线绞车采用阀控比例调速液压驱动、LC控制，实现了卷筒的无级变速和排缆器的协调控制。
3
Stainless steel pneumatic flange ball valve in the pipeline is mainly used to do the cutting speed, distribution and change the direction of the flow of media.