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Proportional Directional Valve 4WRZE25W8-220-7X/6EG24N9K31/F1D3M - Bosch Rexroth R901004329

Bosch Rexroth ✓ Original product Brand new Made in Germany

Harbour and marine hydraulics often sit far from the control cabinet. The 4WRZE25W8-220-7X/6EG24N9K31/F1D3M therefore takes 4 to 20 mA as command value, meters 220 l/min nominal flow with spool symbol W8 and routes both pilot paths outside.

Net
€5,089.41
excl. VAT
Item BRR-R901004329
Manufacturer no. R901004329
Question about this item
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  • Technical questions clarified with the manufacturer

Description

On steering gear and warping winches there are long cables and a dedicated pilot circuit between control stand and valve. The 4WRZE25W8-220-7X/6EG24N9K31/F1D3M is cut out for that and meters 220 l/min nominal flow at 350 bar operating pressure.

Benefits

  • A 4 to 20 mA current command carries the setpoint even over very long cables.
  • Pilot oil supply and return external, matching separate control oil units.
  • Nominal flow 220 l/min, maximum flow of the series 870 l/min.
  • Spool symbol W8, 3 switching positions, ISO 4401-08-08-0-05, 4 ports, 20.62 kg.
  • Concealed manual override for emergency motion without control voltage.
  • NBR seals, 24 V DC, UKCA conformity to SI2016/1091.

Applications

The valve drives steering gear, hatch covers and adjustment drives on board as well as cranes and slipways in the harbour. Separate pilot routing allows filtered control oil independent of the working circuit. The current command stays stable even on electrically loaded shipboard networks.

Manufacturer

Bosch Rexroth, material number R901004329. Technical data are given in datasheet RE 29115, the range overview in RE 07600-B.

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 V DC
ConnectivityAnalog, command value 4 to 20 mA
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
Weight20.62 kg
ManufacturerBosch Rexroth
Hersteller-NrR901004329
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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