Proportional Directional Valve 4WRZE25W8-220-7X/6EG24N9ETK31/A1M - Bosch Rexroth R901044093

Not every axis needs the full flow rating, and an oversized valve only makes control at the lower end restless. This version is rated at 220 l/min, feeds its pilot stage internally and takes its command as a plus/minus 10 V voltage.

Benefits

• The 220 l/min rating suits medium axes and keeps the fine control range usable.
• Neither X nor Y line is needed, the pilot stage is fed and drained internally.
• Spool symbol W8 in three switching positions, operating pressure up to 350 bar.
• Plus/minus 10 V command into on-board electronics, 24 VDC through a 7-pole connector (6 + PE).
• Interface pattern ISO 4401-08-08-0-05 for size 25, mass 20.24 kg.

Applications

This version is meant for cylinder and motor axes that manage with 220 l/min, such as auxiliary axes on presses, clamping units and feeds in rolling plants. Since no control lines have to be routed, the manifold stays simple. The concealed auxiliary actuation helps during commissioning.

Manufacturer

Bosch Rexroth builds this valve under material number R901044093. Quote that number when ordering and keep it in the spare parts list of the machine. Characteristic curves, installation dimensions and connection diagrams are in data sheet RE 29115 and RE 07600-B.