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System pressure is enough for the pilot stage, the return line is what causes trouble. This size 25 4WRTE picks up pilot oil internally, drains it externally and meters 350 l/min nominal flow at 350 bar through spool symbol W8.

Proportional Directional Valve 4WRTE25W8-350L-4X/6EG24EK31/A1M - Bosch Rexroth R900703226

BOSCH REXROTH Original product
Net price (excl. VAT)
€6,767.36
Item BRR-R900703226
Manufacturer no. R900703226
Personal expert advice
Brand new Specialist dealer since 2009 Original product Worldwide shipping
Product data
Manufacturer no.R900703226
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900703226
Frequently Bought Together

With high system pressure the internal pilot oil supply is sufficient, while a drain free of back pressure often has to be routed separately. This version combines both and transfers 350 l/min nominal flow at 350 bar.

Benefits

  • Internal supply with external pilot oil return keeps the pilot stage clear of back pressure.
  • 350 l/min nominal flow at 350 bar operating pressure.
  • Up to 870 l/min flow in size 25, connection diagram ISO 4401-08-08-0-05.
  • Spool symbol W8, 3 switching positions, ±10 V command value.
  • 17.90 kg installed weight, NBR seals, HL hydraulic fluid.

Technical data

Connection diagramISO 4401-08-08-0-05
Maximum flow870 l/min
Product family4WRTE
Type of connectionSubplate mounting
Nominal flow350 l/min
Supply voltage24 V DC
ConnectivityAnalog, command value ±10 V
Number of switching positions3
Hydraulic fluidHL
Number of ports4
Electrical connectionConnector, 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
Weight17.9 kg

Applications

Used in forming plants and test rigs whose return line runs through coolers and fine filters. Where several valves share one return manifold, the dedicated drain line prevents mutual interference. Pilot pressure is tapped directly from P.

Manufacturer

Bosch Rexroth, material number R900703226. Genuine series part from the manufacturer, not a replica. The values match the manufacturer catalogue.

More Information
Weight 17.900000
Manufacturer Bosch Rexroth
Hersteller-Nr R900703226
Zolltarifnummer 84812010
GPSR Herstellerdaten Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com
Artikelzustand New
Artikel-Authentizität Original product
Country of Manufacture Germany