Proportional Directional Valve 4WRZE32E520-7X/6EG24N9EK31/A1D3V - Bosch Rexroth R901078580

Driving a large axis from an existing analog card calls for a valve with a voltage input. This version accepts ±10 V, sets 520 l/min nominal flow in size 32 and operates to 350 bar. Pilot oil is taken internally while the drain runs externally to tank.

Key benefits

• ±10 V command value with no signal converter, direction and magnitude in one signal
• 520 l/min nominal flow, ceiling 1600 l/min in size 32
• Internal supply, external pilot drain, independent of return line pressure
• 350 bar operating pressure, spool symbol E, 3 switching positions, 4 ports
• On-board electronics on 24 VDC, 7-pole connector (6 + PE) to EN 175201-804
• 43.6 kg, FKM seals, HL hydraulic fluid, connection diagram ISO 4401-10-09-0-05

Applications

A voltage input simplifies replacement in existing plants because the control wiring stays as it is. The valve serves presses, rolling mills and test rigs working around 520 l/min. An external pilot drain becomes mandatory once a filter or cooler builds back pressure in the return.

Manufacturer

Bosch Rexroth, material number R901078580. Curves and dimensions in data sheet RE 29115, range overview RE 07600-B. UKCA conformity to SI2016/1091.