Proportional Directional Valve 4WRTE25W8-220L-4X/6EG24EK31/A1M - Bosch Rexroth R900703225

A mid-size axis with back pressure in the return needs a valve whose pilot stage drains on its own. This version takes pilot oil internally, drains it through a dedicated line and meters 220 l/min nominal flow at 350 bar.

Benefits

• 220 l/min nominal flow for mid-size cylinders, flow up to 870 l/min possible.
• External pilot oil return drains the pilot stage independently of return line pressure.
• Internal pilot oil supply, no additional pressure port required.
• Spool symbol W8, 3 switching positions, ±10 V command value, on-board electronics.
• 20.58 kg installed weight, NBR seals, connection diagram ISO 4401-08-08-0-05.

Applications

Fits loading axes, tilting tables and tool adjustment drives in forming plants. Even in test rigs with a throttled return line the zero point of the pilot stage stays stable. Pilot oil is drained to tank on a separate path.

Manufacturer

Bosch Rexroth, material number R900703225. Genuine series part from the manufacturer, not a replica. All characteristics come from the manufacturer BMEcat.