Proportional Directional Valve 4WRZ25W8-220-7X/6EG24N9EK4/D3M - Bosch Rexroth R900968534

The 4WRZ25W8-220-7X/6EG24N9EK4/D3M meters the direction and the size of a flow with a nominal value of 220 l/min. Pilot oil is taken internally and returned externally, and the spool symbol is W8.

Benefits

• Nominal flow 220 l/min in size 25, maximum 870 l/min.
• Spool symbol W8 with 3 switching positions and 4 ports.
• Internal pilot oil supply, external return, suitable where the tank channel is loaded.
• Operating pressure up to 350 bar, connection diagram ISO 4401-08-08-0-05.
• 20.56 kg, NBR seals, external electronics, 7-pole connector (6 plus PE).

Applications

The valve controls feed and lifting axes whose speed is specified steplessly. A nominal flow of 220 l/min suits cylinders of medium size and moderate speed. The separate pilot oil return keeps switching times stable even when the return is loaded.

Manufacturer

The manufacturer is Bosch Rexroth, material number R900968534, product family 4WRZ(E). Data sheet RE 29115 gives characteristic curves and connection variants, RE 07600-B places the series within the range.