Proportional Directional Valve 4WRZE25W9-220-7X/6EG24N9ETK31/F1M - Bosch Rexroth R901418233

For axes that switch between rapid traverse and fine control, the 4WRZE25W9-220-7X/6EG24N9ETK31/F1M offers 220 l/min nominal flow at 350 bar and allows up to 870 l/min in size 25. The command value reaches the on-board electronics as a 4 to 20 mA current signal.

Benefits

• 220 l/min nominal flow in size 25, with the body rated up to 870 l/min
• Version without a pressure reducing valve in the pilot stage, which means fewer parts in the pilot oil path
• Concealed auxiliary actuation lets the axis be moved during a power failure without being disturbed in normal operation
• Internal pilot oil supply and internal return, no X and Y piping required
• Command value 4 to 20 mA, reliable over long cable runs, 24 V DC supply
• Spool symbol W9, mounting pattern ISO 4401-08-08-0-05, mass 20.42 kg

Applications

The valve drives main axes on presses, rolling mills and large test rigs. At 220 l/min there is enough reserve to run rapid traverse and working stroke without a second valve. The concealed override helps during maintenance and fault clearing, because the axis can be moved without control voltage.

Manufacturer

Bosch Rexroth, material number R901418233, type designation 4WRZE25W9-220-7X/6EG24N9ETK31/F1M, UKCA conformity. The datasheets Proportional directional valve, pilot-operated (RE 29115) and Hydraulic valves and hydro- (RE 07600-B) belong to this article.