Proportional Directional Valve 4WRKE25E220L-3X/6EG24EK31/A1D3M - Bosch Rexroth R900781865

In plants with a widely branched tank network the return rarely arrives unpressurised. The 4WRKE25E220L-3X/6EG24EK31/A1D3M picks up pilot oil internally and drains it through a port of its own, so spool position stays reproducible at 220 l/min nominal flow and 350 bar.

Key benefits

• An external pilot return keeps the pilot stage clear of back pressure from long shared lines.
• Internal pilot oil supply, no separate pilot pump required.
• 220 l/min nominal flow, maximum flow 870 l/min, operating pressure up to 350 bar.
• Spool symbol E with 3 switching positions and 4 ports, connection pattern ISO 4401-08-08-0-05.
• Plus minus 10 V command into the on-board electronics, 24 VDC supply.
• 17.98 kg weight, NBR seals for HL hydraulic fluid, 7-pole connector (6 + PE).

Applications

The version suits machines where several valves work onto one shared return line. Draining pilot oil separately decouples spool position from the pressure peaks of neighbouring consumers. With 220 l/min nominal flow in size 25 the valve covers feed and lifting axes of medium power.

Manufacturer

Bosch Rexroth, material number R900781865. The type code 4WRKE25E220L-3X/6EG24EK31/A1D3M states size 25, spool symbol E, 220 l/min nominal flow and series 3X.