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Back pressure in the tank line distorts the pilot stage. The 4WRZ10E1-25-7X/6EG24N9EK4/D3M therefore discharges its pilot oil externally, draws it internally and controls a 25 l/min nominal flow at 315 bar.

Proportional Directional Valve 4WRZ10E1-25-7X/6EG24N9EK4/D3M - Bosch Rexroth R901226730

BOSCH REXROTH Original product
Net price (excl. VAT)
€2,770.89
Item BRR-R901226730
Manufacturer no. R901226730
Personal expert advice
Brand new Specialist dealer since 2009 Original product Worldwide shipping
Product data
Manufacturer no.R901226730
Country of originGermany
ConditionNew
Artikel
BRR-R901226730
Frequently Bought Together

When the shared return line carries counter pressure, a pilot stage works inaccurately. The 4WRZ10E1-25-7X/6EG24N9EK4/D3M therefore relieves its pilot stage into a separate line and controls at 25 l/min nominal flow.

Benefits

  • Internal pilot oil supply, external return, the pilot stage stays clear of counter pressure.
  • 25 l/min nominal flow, up to 170 l/min flow in size 10.
  • 315 bar operating pressure, spool symbol E1 with 3 switching positions across 4 ports.
  • Pressure reducing valve in the pilot stage, plus concealed auxiliary actuation.
  • 8.2 kg, 24 VDC through a 7-pole plug (6 + PE) to EN 175201-804, NBR seals and HL fluid.

Technical data

Connection diagramISO 4401-05-05-0-05
Max. flow170 l/min
Product family4WRZ(E)
Type of connectionSubplate mounting
Nominal flow25 l/min
Supply voltage24 VDC
Number of switching positions3
Hydraulic fluidHL
Number of ports4
Electrical connection descriptionConnector, 7-pole (6 + PE) according to EN 175201-804
Spool symbolSymbol E1
Operating pressure, max.315 bar
Size10
SealsNBR
Electrical connectorConnector, 3-pole (2 + PE)
Type of actuationElectrical with external electronics
Weight8.2 kg

Applications

This version is wanted on machines with a return filter or a long tank line where pressure builds up. The fine 25 l/min step suits axes with a short stroke. An external amplifier card handles the drive and matches command value and valve current.

Manufacturer

Bosch Rexroth, material number R901226730. Characteristic curves, step responses and installation dimensions are given in data sheet RE 29115 on the pilot-operated proportional directional valve, the series overview in RE 07600-B.

More Information
Hersteller-Nr R901226730
Manufacturer Bosch Rexroth
Country of Manufacture Germany
Weight 8.200000
GPSR Herstellerdaten Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com
Artikel-Authentizität Original product
Artikelzustand New