Proportional Directional Valve 4WRZE32E1-520-7X/6EG24N9TK31/A1D3M - Bosch Rexroth R901086139

Main cylinders on heavy presses ask for the flow class that the ISO 4401-10-09-0-05 pattern covers. This size 32 valve delivers 520 l/min nominal flow there, at up to 350 bar operating pressure and a permissible flow of 1600 l/min.

Benefits

• 520 l/min nominal flow with a permissible flow of up to 1600 l/min.
• Size 32 mounting pattern ISO 4401-10-09-0-05, four ports, three switching positions.
• Spool symbol E1 and an integrated pressure reducing valve for steady pilot pressure.
• External pilot oil supply with internal pilot return, ±10 V command value at 24 VDC.
• Concealed manual override, NBR seals, HL hydraulic fluid, installed weight 35 kg.

Applications

The valve drives main cylinders on hydraulic presses, die cushions and forging hammers as well as control axes in hydro power plants. External piloting holds the pilot pressure steady even when working pressure dips during a cycle. The internal pilot return works without a separate line to tank.

Manufacturer

Bosch Rexroth, material number R901086139, product family 4WRZ(E). Data sheet RE 29115 gives characteristic curves and installation dimensions, RE 07600-B provides the hydraulic valve overview.