| 摘要 |
Disclosed herein is a directional control valve used to control the interlocking, stop, acceleration, deceleration of an actuator and the acting direction thereof in hydraulic circuit. This directional control valve comprises slide valves of plate-type slidably inserted to a tank chamber within a casing; a pair or plural pairs of ports, each pair being opposed in symmetric arrangement on a slide valve cover located on the upper surface of the casing and a slide valve base located on the lower surface of the casing; and ring cups slidably fitted to port of respective ports by means of spring force of coil springs.
|
