Proportional Directional Valve 4WRZE25E1-220-7X/6EG24TK31/A1D3M - Bosch Rexroth R901060581

An axis that should be unloaded at standstill needs the right spool symbol and a pilot stage that still works at low working pressure. The 4WRZE25E1-220-7X/6EG24TK31/A1D3M combines symbol E1 with external pilot oil supply at 220 l/min nominal flow.

Benefits

• Spool symbol E1 gives the axis defined behaviour when it is unloaded in centre position.
• External pilot oil supply keeps the valve able to shift even when working pressure is unloaded.
• Internal pilot oil return cuts piping work at the valve manifold.
• 220 l/min nominal flow, up to 870 l/min maximum flow, 350 bar operating pressure.
• Integrated pressure reducing valve plus on-board electronics with spool position feedback.
• UKCA conformity including electromagnetic compatibility to SI2016/1091.

Applications

Intended for hoists, forging presses and clamping systems where the axis may stand depressurised between strokes. Mass is 20.8 kg and the ISO 4401-08-08-0-05 pattern matches size 25. NBR seals for HL hydraulic fluid.

Manufacturer

Bosch Rexroth, material number R901060581. Two documents are on file, and the data sheet describes characteristic curves and permitted mounting orientations.