Proportional Directional Valve 4WRKE25W8-220L-3X/6EG24K31/F1D3V - Bosch Rexroth R901550262

Above size 16 the scale changes: up to 870 l/min can pass through this valve. Nominal flow is set at 220 l/min, so the axis stays finely controlled and the reserve is only called on for fast traverse and return.

Benefits

• 870 l/min peak flow of size 25 with 220 l/min nominal flow in the controlled range.
• FKM seals withstand higher oil temperatures and more demanding fluids than NBR.
• External pilot oil supply and external return decouple the pilot stage from load and tank pressure.
• 4...20 mA command value with live zero for long lines and electrically noisy plants.
• Interface ISO 4401-08-08-0-05, operating pressure up to 350 bar, weight 17.8 kg.

Applications

This size is found on presses, lifting works and large test cylinders where an axis moves high forces under control. External piloting allows a dedicated, separately protected pilot source. FKM seals are advisable when oil temperature stays in the upper range.

Manufacturer

Bosch Rexroth lists the valve as R901550262, product family 4WRKE, size 25.