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The 4WRLE-16 belongs to the 4WRLE series of high-performance, pilot-operated proportional directional control valves from Bosch Rexroth. It is designed for precise control of hydraulic fluid direction and flow in demanding industrial applications — including machine tools, plastic processing, mobile hydraulics, and general automation systems. The valve combines robust hydraulic mechanics with electronics: it features integrated electronics (on-board electronics, OBE) and internal position feedback, enabling accurate, repeatable control of spool position.
