Proportional Directional Valve 4WRZ25W8-220-7X/6EG24N9EK4/V - Bosch Rexroth R900943859

Between fully internal routing plus fully external routing sits the variant that separates only the drain. The 4WRZ25W8-220-7X/6EG24N9EK4/V takes pilot oil from the P channel, drains it through a port of its own, working at 220 l/min nominal flow.

Benefits

• Internal pilot oil supply, external pilot oil return, one line fewer than the fully external build
• Nominal flow 220 l/min, maximum flow 870 l/min
• Spool symbol W8, 3 switching positions, 4 ports
• Maximum operating pressure 350 bar, size 25
• External electronics, 24 VDC, concealed auxiliary actuation
• FKM seals, weight 18.2 kg

Technical data

Application

This build fits machines whose system pressure is permanently sufficient while the tank line carries back pressure. The separate drain keeps the null position of the axis steady even when other actuators drain at the same time. Nominal flow 220 l/min.

Manufacturer

Bosch Rexroth, material number R900943859, type designation 4WRZ25W8-220-7X/6EG24N9EK4/V. Further values are given in the data sheet Proportional directional valve, pilot-operated (RE 29115) and Hydraulic valves and hydro- (RE 07600-B).