Proportional Directional Valve 4WRZE25W8-220-7X/6EG24N9K31/A1M - Bosch Rexroth R900707648

In a manifold assembly holding several proportional valves a shared pilot oil rail pays off, with every valve tied into it through X and Y. This version is built for that, works at 220 l/min nominal flow and takes its command as a plus/minus 10 V voltage.

Benefits

• Connects to a shared supply X and a shared return rail Y inside the manifold assembly.
• Flow rating 220 l/min with spool symbol W8, maximum flow 870 l/min.
• Operating pressure up to 350 bar, three switching positions, four ports.
• Plus/minus 10 V command, on-board electronics, 24 VDC through a 7-pole connector (6 + PE) to EN 175201-804.
• Mass 20.3 kg, mounting face ISO 4401-08-08-0-05, NBR seals.

Technical data

Applications

Assemblies like this stand on press lines, plastics machinery and steelworks equipment where several axes are fed from one power unit. Each valve receives its own setpoint while the pilot oil comes from the shared rail. The UKCA entry to SI2016/1091 covers electromagnetic compatibility.

Manufacturer

Bosch Rexroth builds this valve under material number R900707648. 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.