Proportional Directional Valve 4WRZE10E85-7X/6EG24K31/A1D3M - Bosch Rexroth R901059070

Plants with their own pilot pump want the directional valve to draw pilot oil from outside, so the pilot pressure holds even when the working pressure collapses. The 4WRZE10E85-7X/6EG24K31/A1D3M is built exactly this way while metering 85 l/min nominal flow at a maximum operating pressure of 315 bar.

Benefits

• External pilot oil supply and external pilot oil return keep the pilot pressure independent of the working pressure.
• Nominal flow 85 l/min, maximum flow 170 l/min in size 10.
• The upstream pressure reducing valve limits the pilot pressure while the operating pressure may reach 315 bar.
• Analog ±10 V command value on on-board electronics fed from 24 VDC.
• Spool symbol E, four ports to ISO 4401-05-05-0-05, 8.41 kg weight.

Applications

The valve suits control manifolds that already provide a filtered pilot circuit, for example on forging presses and vulcanising presses. It bolts straight onto a size 10 subplate. The command value arrives as a voltage from the axis controller, position feedback of the main spool happens inside the valve.

Manufacturer

Manufactured by Bosch Rexroth, material number R901059070. Characteristic curves, step response and port pattern for type 4WRZE10E85-7X/6EG24K31/A1D3M are given in datasheet RE 29115, fluid selection is covered by RE 07600-B.