Proportional Directional Valve 4WRZ10E85-7X/6EG24N9ETK4/M - Bosch Rexroth R900977989

4WRZ10E85-7X/6EG24N9ETK4/M pairs the 85 l/min nominal stage with internal pilot oil supply and internal return. Pipework stays modest even though the valve passes up to 170 l/min.

Advantages

• 85 l/min nominal flow, maximum flow 170 l/min
• Internal pilot oil supply and internal pilot oil return with no additional lines
• Symbol E with three switching positions and stepless metering
• Maximum operating pressure 315 bar, size 10, NBR seals
• 8.22 kg mass, concealed auxiliary actuation
• No integrated pressure reducing valve, driven by external electronics

Application

Pilot-operated proportional directional valve in size 10 to connection diagram ISO 4401-05-05-0-05. Control is handled by external amplifier electronics at 24 VDC and the power connector is a 7-pole (6 + PE) type to EN 175201-804. The build is used on presses and injection moulding machines whose clamping unit moves large oil volumes at a controlled speed.

Manufacturer

Bosch Rexroth, material number R900977989. All sizing data and characteristic curves are given in the data sheet Proportional directional valve, pilot-operated (RE 29115) and Hydraulic valves and hydro- (RE 07600-B).