Slide valve type directional valve

Slide valve type directional valve

(1) Structure and working principle of directional valve

Structure:

Valve body: cylindrical hole with multi-stage undercut groove

Spool: a cylinder with multiple circular grooves

(2) Classification

According to the number of working positions: two, three, four, etc. Position: the number of working positions of the valve core relative to the valve body.

According to the number of channels: two, three, four, five, etc. Through: the number of main oil ports connected to the outside of the valve body

According to the control mode: electromagnetic directional valve, hydraulic directional valve, electro-hydraulic directional valve, motor directional valve, manual directional valve