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Where neither a pilot pressure source nor a separate drain line exists, the fully internal porting is the answer. This W6 build with 25 l/min nominal flow works that way, at 315 bar maximum operating pressure and a mass of 7.72 kg.

Proportional Directional Valve 4WRZ10W6-25-7X/6EG24N9ETK4/M - Bosch Rexroth R900977525

BOSCH REXROTH Original product
Net price (excl. VAT)
€2,164.27
Item BRR-R900977525
Manufacturer no. R900977525
Personal expert advice
Brand new Specialist dealer since 2009 Original product Worldwide shipping
Product data
Manufacturer no.R900977525
Country of originGermany
ConditionNew
Artikel
BRR-R900977525
Frequently Bought Together

4WRZ10W6-25-7X/6EG24N9ETK4/M supplies and drains the pilot stage internally, so no further connections have to be run. Symbol W6 and 25 l/min nominal flow set the behaviour in the main gallery, and the mass is 7.72 kg.

Advantages

  • Internal pilot oil supply and internal pilot oil return, the least pipework of the porting options
  • 25 l/min nominal flow at up to 170 l/min flow
  • Symbol W6, three switching positions, size 10
  • Maximum operating pressure 315 bar, NBR seals, HL hydraulic fluid
  • 7.72 kg mass, concealed auxiliary actuation
  • Electrical with external electronics, 7-pole connector (6 + PE) to EN 175201-804

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 W6
Operating pressure, max.315 bar
Size10
SealsNBR
Electrical connectorConnector, 3-pole (2 + PE)
Type of actuationElectrical with external electronics
Weight7.72 kg

Application

Pilot-operated proportional directional valve in size 10 to connection diagram ISO 4401-05-05-0-05. Control is handled by external amplifier electronics at 24 VDC and the power connector is a 7-pole (6 + PE) type to EN 175201-804. Before installation, check that pressure in the P gallery is enough to pilot the valve across the whole cycle.

Manufacturer

Bosch Rexroth, material number R900977525. All sizing data and characteristic curves are given in the data sheet Proportional directional valve, pilot-operated (RE 29115) and Hydraulic valves and hydro- (RE 07600-B).

More Information
Hersteller-Nr R900977525
Manufacturer Bosch Rexroth
Country of Manufacture Germany
Weight 7.720000
GPSR Herstellerdaten A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment
Artikel-Authentizität Original product
Artikelzustand New
Position sensing No