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Proportional Directional Valve 4WRZE25W8-220-7X/6EG24N9EK31/A1V - Bosch Rexroth R901054011

Bosch Rexroth ✓ Original product Brand new Made in Germany

Back pressure in the tank gallery shifts the curve of a pilot-operated valve. This size 25 unit therefore discharges pilot oil externally while taking it internally. 220 l/min nominal flow at 350 bar, spool symbol W8, ±10 V command value.

Net
€5,344.45
excl. VAT
Item BRR-R901054011
Manufacturer no. R901054011
Question about this item
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  • Invoice payment for regular customers
  • Worldwide shipping
  • Technical questions clarified with the manufacturer

Description

Taking pilot oil internally saves one line while the external return still keeps the pilot stage depressurised: that pairing makes this pilot-operated proportional directional valve in size 25 predictable at 220 l/min nominal flow with 350 bar.

Advantages

  • Internal pilot oil supply with external pilot oil return keeps the pilot stage free of back pressure.
  • 220 l/min nominal flow at 350 bar operating pressure, rated to 870 l/min.
  • ±10 V command value at the on-board electronics, no external amplifier card required.
  • Concealed auxiliary actuation for setup work as well as emergency operation.
  • 20.62 kg with FKM seals, HL hydraulic fluid, UKCA evidence.

Applications

Suits test rigs, forming presses, plants with a heavily loaded tank gallery. Route the external Y port to tank without back pressure so the curve stays identical across a full cycle.

Manufacturer

Bosch Rexroth, material number R901054011. Genuine manufacturer part, not a replica. Every figure follows data sheets RE 29115 and RE 07600-B. Refer to the data sheet for characteristic curves and mounting dimensions.

Technical data

Conformity descriptionUKCA - Electromagnetic compatibility (EMC) SI2016/1091
Connection diagramISO 4401-08-08-0-05
Max. flow870 l/min
Product family4WRZ(E)
Type of connectionSubplate mounting
Nominal flow220 l/min
ConformityUKCA
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
SealsFKM
Electrical connectorConnector, 7-pole (6 + PE)
Type of actuationElectrical with on-board electronics
Weight20.62 kg
ManufacturerBosch Rexroth
Hersteller-NrR901054011
GPSR HerstellerdatenBosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com
ArtikelzustandNew
Artikel-AuthentizitätOriginal product
Country of ManufactureGermany

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