Applications

Remote piloting and regulation of:

• hydraulic directional valves.
• variable displacement pumps and motors.
• auxiliary valves.
• hydraulic clutches and brakes.

The central single-lever hydraulic joystick for 4 uses is designed to operate at a maximum supply pressure of 100 bar and an oil supply flow rate of 16 l/min. The anti-oscillation lever system and ergonomic handle ensure high control sensitivity and excellent operator comfort.

Operation

Hydraulic joysticks work on the principle of direct-acting pressure reducing valves. At rest, the control lever (handle) is held in the neutral position by the return spring; the P supply port is closed and the working ports are connected to the T drain port.

When the lever is operated, the pusher compresses the return spring and the reaction spring via the plate, moving the regulating spool, which opens the passage connecting port P to the working port, generating a pressure increase proportional to the lever stroke and the type of reaction spring.