Proportional Directional Valve 4WRZ25E1-220-7X/6EG24N9EK4/D3M - Bosch Rexroth R900776398

The 4WRZ25E1-220-7X/6EG24N9EK4/D3M is a pilot-operated proportional directional valve in size 25 with spool symbol E1. Nominal flow is 220 l/min, maximum flow is 870 l/min and weight is 20.46 kg.

Benefits

• Spool symbol E1, 3 switching positions, 4 ports, permissible operating pressure 350 bar.
• Nominal flow 220 l/min at a limit flow of 870 l/min.
• Internal pilot oil supply, external return, pilot stage stays free of back pressure.
• External electronics, controlled through a 7-pole connector (6 plus PE) to EN 175201-804.
• 20.46 kg, NBR seals, connection diagram ISO 4401-08-08-0-05.

Applications

The valve is used on axes whose rest position has to be defined in the de-energised state. Symbol E1 specifies how the ports are connected in the centre position. The amplifier electronics sit outside and can be replaced independently of the valve.

Manufacturer

The manufacturer is Bosch Rexroth, material number R900776398, product family 4WRZ(E). Characteristic curves, symbols and limit performance are in data sheet RE 29115, RE 07600-B provides the range overview.