Proportional Directional Valve 4WRZE16E180-7X/6EG24N9ETK31/A1D3M - Bosch Rexroth R901420797

This size 16 valve is the heavy standard build with spool symbol E: pilot oil is taken internally and returned internally, and a ±10 V command value controls 180 l/min nominal flow at operating pressure up to 350 bar.

Key benefits

• No separate control circuit required, pilot oil supply and return both run inside the valve.
• 180 l/min nominal flow and 460 l/min maximum suit short rapid strokes on large cylinders.
• ±10 V command value with on-board electronics, 24 VDC supply through a 7-pole connector (6 + PE).
• A pressure reducing valve in the pilot stage keeps shifting behaviour even across the whole pressure range.
• Solid build at 12.96 kg, NBR seals and the ISO 4401-07-07-0-05 connection pattern.

Applications

The valve drives main axes in presses, bending machines and power units where system pressure is present throughout. It replaces older builds with an external amplifier card without changing the subplate. For circuits whose main gallery is unloaded at times, an externally piloted version is preferable.

Manufacturer

Bosch Rexroth, material number R901420797, product family 4WRZ(E). Data sheet RE 29115 documents characteristic curves and performance limits, RE 07600-B shows how it relates to the other hydraulic valves.