Proportional Directional Valve 4WRZE10W6-85-7X/6EG24N9EK31/F1D3V - Bosch Rexroth R900949750

This pilot-operated proportional directional valve controls direction and speed of an actuator in size 10 without steps. Nominal flow is 85 l/min and the on-board electronics process the 4...20 mA current command, which keeps the spool on target even in electrically noisy surroundings.

Benefits

• Current command 4...20 mA instead of voltage: cable length and pickup do not falsify the position
• Nominal flow of 85 l/min against a maximum flow of 170 l/min leaves headroom for fast traverse
• Operating pressure up to 315 bar with spool symbol W6, 3 switching positions and 4 ports
• On-board electronics at the valve save the separate amplifier card in the control cabinet
• Internal pilot oil supply with external pilot oil return, the pilot stage needs no extra pressure line
• FKM seals and HL hydraulic fluid, subplate mounting to ISO 4401-05-05-0-05

Technical data

Applications

The valve suits presses, injection moulding machines and test rigs in which a cylinder runs under position control. Internal pilot oil supply fits circuits with sufficiently high pump pressure. External pilot oil return keeps the pilot stage independent of the tank pressure in the main circuit.

Manufacturer

Bosch Rexroth lists this valve under material number R900949750. The 2 manufacturer documents contain characteristic curves, port pattern and the complete installation dimensions.