Proportional Directional Valve 4WRTE25E1-220L-4X/6EG24ETK31/F1M - Bosch Rexroth R901287218

Synchronising two cylinders rarely fails because of the controller, but because two valves open differently at the same command. The internal position control of this 4WRTE with spool symbol E1 keeps that relation fixed and sets 220 l/min nominal flow at 350 bar.

Benefits

• Internal position control makes the opening comparable from one unit to the next.
• 220 l/min nominal flow, up to 870 l/min maximum, at 350 bar operating pressure.
• Linear characteristic keeps the gain identical across the whole command range.
• Fully internal pilot routing without additional ports on the manifold.
• 4...20 mA current command, insensitive to voltage drop in the cable.

Applications

Typical duties are synchronised control on gantry presses, lifting tables and bending machines with several cylinders. Replacing a single valve within a group keeps the behaviour comparable. HL hydraulic fluid with NBR seals is used, and the weight is 18 kg.

Manufacturer

Bosch Rexroth lists this product under material number R901287218.