Proportional Directional Valve 4WRZE25W6-325-7X/6EG24EK31/A1D3M - Bosch Rexroth R901027575

When a hydraulic motor is fed with 325 l/min, the spool has to open equally in both directions and the pilot return has to drain freely. The 4WRZE25W6-325-7X/6EG24EK31/A1D3M meets both at operating pressures up to 350 bar.

Benefits

• Spool symbol W6 frees the same cross section in both flow directions, which keeps speed equal.
• 325 l/min nominal flow in size 25 on the ISO 4401-08-08-0-05 mounting pattern.
• Internal pilot oil supply with external return keeps the pilot circuit clear of back pressure.
• A plus or minus 10 V command matches existing analogue cards directly, supply 24 VDC.
• Built-in pressure reducing valve, UKCA conformity to SI2016/1091, weight 20.68 kg.

Applications

The valve drives rotary units on mixers, drums and travel gear as well as cylinders with a continuous piston rod. An external pilot return matters wherever the tank line is loaded by coolers or filters. Range maximum flow amounts to 870 l/min.

Manufacturer

Bosch Rexroth, material number R901027575. In the type code 4WRZE25W6-325-7X/6EG24EK31/A1D3M the letters W6 mark the symmetrical spool, 325 the nominal flow and A1 the plus or minus 10 V voltage command. The characteristic curves and installation dimensions are given in data sheet RE 29115 and RE 07600-B.