Proportional Directional Valve 4WRKE25R3-350L-3X/6EG24ETK31/F1D3M - Bosch Rexroth R901335216

Anyone designing a control manifold without X and Y lines needs a valve with internal pilot supply. The 4WRKE25R3-350L-3X/6EG24ETK31/F1D3M draws and returns its pilot oil inside the valve while metering 350 l/min nominal flow.

Benefits

• Internal pilot oil supply and internal return, the manifold stays free of pilot ports.
• Command value 4 to 20 mA, the current loop stays readable over long cable runs.
• 350 l/min nominal flow, up to 870 l/min maximum flow, operating pressure up to 350 bar.
• Linear characteristic with spool symbol R3, internal spool position feedback.
• Three switching positions on four ports, ISO 4401-08-08-0-05 interface.
• 17.66 kg, NBR seals, 7-pole connector (6 + PE) to EN 175201-804.

Application

The valve makes sense in compact control manifolds of forming lines and test rigs. Internal pilot supply assumes a system pressure high enough for the pilot stage to work reliably. Where system pressure collapses heavily, the external pilot build is preferable.

Manufacturer

Bosch Rexroth, material number R901335216.