Proportional Directional Valve 4WRZE32W9-520-7X/6EG24N9ETK31/F1D3M - Bosch Rexroth R901511580

A size 32 valve that needs no external pilot circuit saves two lines at the manifold. The 4WRZE32W9-520-7X works with internal pilot oil supply and internal pilot oil return, has the pressure reducing valve for pilot control built in and meters 520 l/min nominal flow at 350 bar.

Key benefits

• Built-in pressure reducing valve holds pilot pressure independent of main pressure without a separate supply.
• Internal pilot oil supply and internal return, so no extra pilot lines are needed on the manifold.
• 520 l/min nominal flow, peak flow up to 1600 l/min at 350 bar operating pressure.
• 4 to 20 mA command value stays stable over long runs between cabinet and valve.
• Concealed manual override allows the axis to be moved with the electrics down, without an exposed pin.
• Spool symbol W9, NBR seals, 44.18 kg, connection diagram ISO 4401-10-09-0-05.

Applications

Valves of this kind sit in presses, lifting gear and large test rigs where the axis runs under control yet must still be moved by hand during service. Because pilot supply and return run internally, the valve can also be fitted to manifolds that route no pilot channels to the outside. The series is listed with a UKCA declaration for electromagnetic compatibility.

Manufacturer

Bosch Rexroth, material number R901511580. All technical values are taken from the manufacturer data for this material number.

Further details are given in manufacturer data sheets RE 29115 and RE 07600-B.