Bosch Rexroth R900754770 Hydraulic Directional Valve Unit

Module Feature

R900754770 belongs to Bosch Rexroth standard series solenoid directional valve. Precision lapped spool and sleeve assembly provides low internal leakage and stable repeated switching performance. Robust cast iron valve body, integrated solenoid coil for fast spool actuation. It controls the flow direction of hydraulic oil to change the movement direction of hydraulic cylinder or hydraulic motor. Widely applied on machine tools, hydraulic presses, material handling and general industrial hydraulic power units.

Working principle

When the solenoid coil energizes, electromagnetic force pushes the spool to shift position, changing the internal oil passage connection. Hydraulic oil flows through different ports to drive the actuator. When power cuts off, spring returns the spool back to neutral position.

Onboard components

Cast iron valve housing, precision spool-sleeve pair, return spring, electromagnetic solenoid coil, sealing gaskets, port connecting threads.

LED indicators

No built-in LED indicators.

Hardware self-diagnosis

Check coil continuity, measure internal leakage, visual inspection for external oil leakage, test spool switching action and pressure holding performance.

Programming software

No dedicated programming software.

Electrical & Process Parameters

Model:R900754770 Brand:Bosch Rexroth Device type:Solenoid Operated Hydraulic Directional Control Valve Seal type:Rubber seal Max working pressure:Standard Rexroth valve rating Fluid:Mineral hydraulic oil Cooling:Natural convection cooling Protection:Seal structure prevents external oil leakage

Mechanical & Structure

Mounting:Subplate mounting Protection class:IP65 for solenoid Housing:Cast iron valve body

Environmental

Operating temperature:-20℃ ~ +60℃ Storage temperature:-40℃ ~ +85℃ Ambient humidity:5~95% non-condensing Certification:CE compliant Status: Bosch Rexroth original hydraulic directional valve for industrial hydraulic power control

Installation

Follow strict safety procedure before handling.Mount valve on standard subplate, tighten pipe fittings.Connect solenoid power wiring, test valve switching and check for oil leakage before full pressure commissioning.

Interface

Subplate mounting interface, hydraulic port thread, solenoid electrical terminal block.

Diagnostic

Valve not switching:coil burnout, no power supply or spool stuck by contamination. Excessive internal leakage:spool wear or contamination. External oil leak:damaged gasket or loose fitting.

Product Brief

Bosch Rexroth R900754770 solenoid operated directional hydraulic valve, subplate mount, used for switching flow direction in machine tool, hydraulic press and automation hydraulic circuits.