Proportional Directional Valve 4WRZ32W9-520-7X/6EG24N9K4/D3M - Bosch Rexroth R901376111

This version carries spool symbol W9 and runs on NBR seals for HL hydraulic fluid. Nominal flow is 520 l/min, pilot oil is supplied and drained externally and operating pressure reaches 350 bar.

Advantages

• Nominal flow 520 l/min, maximum flow up to 1600 l/min in size 32
• Spool symbol W9, three switching positions, four ports
• External pilot oil supply and external return, separate pilot circuit
• Pressure reducing valve in the pilot stage, concealed auxiliary actuation
• External amplifier electronics, 24 VDC on a 7-pole connector to EN 175201-804
• NBR seals for HL hydraulic fluid, 44.03 kg, connection diagram ISO 4401-10-09-0-05

Applications

Used on large presses and rolling stands whose system pressure varies widely and whose pilot control is therefore fed separately. NBR seals match mineral oil at usual operating temperatures. The subplate interface follows ISO 4401-10-09-0-05.

Manufacturer

Bosch Rexroth, material number R901376111. The full type designation is 4WRZ32W9-520-7X/6EG24N9K4/D3M. Characteristic curves, limits and installation notes are in data sheet RE 29115, the range overview RE 07600-B adds to it.