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Axes that run under control in both directions and have their own pilot pump meet spool symbol W8 here. The valve meters 350 l/min nominal flow at up to 350 bar, and the command value is ±10 V. Pilot oil comes in through X and drains internally.

Proportional Directional Valve 4WRKE25W8-350L-3X/6EG24TK31/A1D3M - Bosch Rexroth R901049771

BOSCH REXROTH Original product
Net price (excl. VAT)
€5,034.37
Item BRR-R901049771
Manufacturer no. R901049771
Personal expert advice
Brand new Specialist dealer since 2009 Original product Worldwide shipping
Product data
Manufacturer no.R901049771
Country of originGermany
ConditionNew
Artikel
BRR-R901049771
Frequently Bought Together

Two requirements meet in this variant, a spool carrying symbol W8 and an analogue command value of ±10 V. On that basis the 4WRKE25W8-350L-3X meters 350 l/min nominal flow at operating pressure up to 350 bar, taking pilot oil externally through X and draining it internally.

Benefits

  • Spool symbol W8 for controls that need a particular centre position
  • 350 l/min nominal flow, flow rate up to 870 l/min
  • External pilot oil supply through X, internal pilot oil return
  • ±10 V command value at on-board electronics, 24 V DC supply
  • 17.92 kg weight, operating pressure up to 350 bar, NBR seals

Technical data

Connection diagramISO 4401-08-08-0-05
Max. flow870 l/min
Product family4WRKE
Type of connectionSubplate mounting
Nominal flow350 l/min
Supply voltage24 VDC
ConnectivityAnalog, command value ±10 V
Number of switching positions3
Hydraulic fluidHL
Number of ports4
Electrical connection descriptionConnector 7-pole (6 + PE) according to EN 175201-804
Spool symbolSymbol W8
Operating pressure, max.350 bar
Size25
SealsNBR
Electrical connectorConnector, 7-pole (6 + PE)
Type of actuationElectrical with on-board electronics
Weight17.92 kg

Applications

The valve mounts on subplates to ISO 4401-08-08-0-05, for instance in press axes and forging manipulators. Inductive position feedback of the main spool holds the metering cross section steady when load pressure changes. HL hydraulic fluid is approved.

Manufacturer

Bosch Rexroth, material number R901049771. The type code 4WRKE25W8-350L-3X/6EG24TK31/A1D3M defines size, spool symbol, pilot oil routing and command value type without ambiguity.

More Information
Hersteller-Nr R901049771
Manufacturer Bosch Rexroth
Country of Manufacture Germany
Weight 17.920000
GPSR Herstellerdaten A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment
Artikel-Authentizität Original product
Artikelzustand New
Position sensing No