Proportional Directional Valve 4WRZ25E1-325-7X/6EG24EK4/D3M - Bosch Rexroth R901496879

Internal pilot oil supply saves a line, an external return still keeps the pilot circuit clean. The 4WRZ25E1-325-7X combines both in size 25 at 325 l/min nominal flow, with an integrated pressure reducing valve holding the pilot pressure steady.

Benefits

• 325 l/min nominal flow, peaks up to 870 l/min on the ISO 4401-08-08-0-05 interface.
• Integrated pressure reducing valve keeps pilot pressure stable even when system pressure moves.
• Pilot oil taken internally, returned externally, so the return can be routed unpressurised.
• 350 bar maximum operating pressure with spool symbol E1 and 3 switching positions.
• 20 kg weight, NBR seals, commanded at 24 VDC through external electronics.

Applications

Typical installations are injection moulding machines, test benches and stretching lines with closed-loop axis motion. External electronics sit in the cabinet and allow several axes to be parameterised together. Connection runs through a 7-pole plug to EN 175201-804.

Manufacturer

Bosch Rexroth, material number R901496879. Characteristic curves, step responses and dimensions appear in data sheet RE 29115, with an overview in catalogue RE 07600-B.