Proportional Directional Valve 4WRKE35W6-1000L-3X/6EG24EK31/A1D3M - Bosch Rexroth R901094074

Where an axis calls for 1000 l/min of nominal flow and the motion has to follow a linear characteristic curve, this pilot-operated proportional directional valve in size 35 acts as the output stage. Internal spool position feedback holds the spool at the ±10 V command value, maximum operating pressure 350 bar.

Benefits

• 1000 l/min nominal flow, maximum flow 3000 l/min.
• Linear characteristic curve and internal spool position feedback give a repeatable relation between the ±10 V command value and flow.
• Maximum operating pressure 350 bar across 3 switching positions and 4 ports.
• Interface pattern ISO 4401-10-09-0-05 for size 35, weight 70 kg.
• Internal pilot oil supply with external pilot oil return, spool symbol W6.
• On-board electronics on 24 VDC, 7-pole connector (6 + PE) according to EN 175201-804, NBR seals for HL hydraulic fluid.

Applications

Typical mounting places are the control manifolds of forging and deep-drawing presses, roll gap adjustment drives and large test rigs. The external pilot drain has to run unpressurised to the tank so that return line pressure does not act on the pilot stage. Plan lifting gear for installing the 70 kg assembly.

Manufacturer

Bosch Rexroth builds the valve under material number R901094074. Quote that number on the order and in the spare parts list of the machine.