Proportional Directional Valve 4WRZ25W8-325-7X/6EG24N9TK4/D3M - Bosch Rexroth R900729870

The 4WRZ25W8-325-7X/6EG24N9TK4/D3M sits on a subplate to ISO 4401-08-08-0-05 and meters a nominal flow of 325 l/min there. Pilot oil is fed in externally and returned internally.

Benefits

• Connection diagram ISO 4401-08-08-0-05, matched to the common size 25 subplates.
• Nominal flow 325 l/min, maximum flow 870 l/min at 350 bar.
• Spool symbol W8, pilot-operated spool valve with 3 switching positions.
• External pilot oil supply, internal return from a separate pilot circuit.
• 20.4 kg, NBR seals, external electronics, 24 V DC supply.

Applications

During a retrofit the valve can be mounted on the existing subplate provided the pilot oil routing matches the plant. A nominal flow of 325 l/min covers axes running at high speed. The amplifier electronics are provided as a separate unit in the cabinet.

Manufacturer

The manufacturer is Bosch Rexroth, material number R900729870, product family 4WRZ(E). Data sheet RE 29115 gives characteristic curves and installation dimensions, RE 07600-B places the series within the valve range.