Hydraulic stent control valve

1.The current production is basically a chip control valve control valve combination. 2.The number of pieces and feed back to the way can be combined as needed and selection; valve into the liquid in the outer spool valve than ZC is completely sealed with soft rubber, with anti-Sewage strong, reliable sealing, etc., are taken into the return of hydraulic fluid spool balanced way, operation and effort, exercise the other small pieces of contact force.