Proportional Directional Valve 4WRZE32E1-360-7X/6EG24ETK31/F1D3M - Bosch Rexroth R901125448

In large plants several dozen metres of cable often run between cabinet and manifold, and a voltage signal loses level along the way. The 4WRZE32E1-360-7X/6EG24ETK31/F1D3M therefore accepts its command as a 4...20 mA current signal and converts it into a nominal flow of 360 l/min at up to 350 bar.

Key benefits

• Command value 4...20 mA - a current loop is insensitive to voltage drop over long cable runs.
• Internal pilot supply with internal drain - neither an X line nor a Y line has to be provided in the manifold.
• 360 l/min nominal flow - the finer of the two steps, with up to 1600 l/min possible by valve size.
• Spool symbol E1 with 3 switching positions - defined metering edges across 4 ports on interface ISO 4401-10-09-0-05.
• On-board electronics, supply 24 VDC - connected through a 7-pole connector (6 + PE) to EN 175201-804.
• 43.8 kg, NBR seals - released for hydraulic fluid HL, EMC to UKCA SI2016/1091.

Applications

The valve is intended for widely spread installations such as rolling mills, hydro power controls and large test fields where the signal path is long and interference is high. The smaller nominal flow of 360 l/min gives finer speed resolution than the 520 version. Internal pilot routing also shortens the pipework list inside the manifold.

Manufacturer

Made by Bosch Rexroth, material number R901125448. Curves and signal processing details are in data sheet RE 29115, with further valve data in RE 07600-B.