Proportional Directional Valve 4WRTE10W8-25L-4X/6EG24K31/F1M - Bosch Rexroth R901264073

If pressure at port P drops during the working stroke, an internally fed pilot stage loses its operating point. The 4WRTE10W8-25L-4X/6EG24K31/F1M avoids that with external pilot oil supply and external return at a 25 l/min nominal flow.

Advantages

• External pilot oil supply holds pilot pressure even when system pressure collapses.
• External return lets pilot oil flow back regardless of back pressure in the tank line.
• Nominal flow of 25 l/min, spool symbol W8, three switching positions on four ports.
• Current command 4...20 mA on the on-board electronics.
• Operating pressure up to 350 bar, flow up to 170 l/min.
• Weight of 8.51 kg, NBR seals, connection diagram ISO 4401-05-05-0-05.

Applications

The layout suits systems with accumulator charging circuits or strongly varying pump pressure. External return also helps in circuits with high return line resistance. It is designed for HL mineral oil and the temperature range covered by standard NBR seals.

Manufacturer

Bosch Rexroth, material number R901264073. Product family 4WRTE, spare parts and successor types are supplied by the manufacturer.