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).

Technical data

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.