Proportional Directional Valve 4WRZE16W8-180-7X/6EG24N9ETK31/F1D3M - Bosch Rexroth R901477294

Controllers with a current output can be wired to this valve without a converter. The 4WRZE16W8-180 works from 4...20 mA, meters 180 l/min nominal and routes pilot oil in and out internally, so no extra channels are needed at the subplate. An integrated pressure reducing valve limits pilot pressure and keeps it clear of peaks in the P channel.

Benefits

• Command value 4...20 mA, wired straight from current output cards and process controllers.
• 180 l/min nominal flow, limit 460 l/min, operating pressure 350 bar.
• Pressure reducing valve in the pilot stage caps pilot pressure at a fixed value.
• Pilot oil in and out internally, neither X nor Y has to be connected.
• Spool symbol W8 with 3 switching positions and concealed manual override.
• UKCA conformity including EMC to SI2016/1091, weight 12.6 kg.

Applications

The valve works on cylinder axes in forming machines, on lifting gear and in process industry power units whose controller puts out a current signal. Doing without external pilot lines makes it the simplest solution on a standard manifold. If back pressure in the return rises, choose the version with external pilot drain.

Manufacturer

Manufactured by Bosch Rexroth, material number R901477294. The 2 attached manufacturer datasheets give characteristic curves, performance limits and mounting dimensions.