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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.
Proportional Directional Valve 4WRZE25W8-220-7X/6EG24N9K31/F1D3M - Bosch Rexroth R901004329
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,577.68
Item
BRR-R901004329
Manufacturer no.
R901004329
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901004329
Country of originGermany
ConditionNew
Artikel
BRR-R901004329
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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.
Technical data
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 220 l/min |
| Conformity | UKCA |
| Supply voltage | 24 V DC |
| Connectivity | Analog, command value 4 to 20 mA |
| Number of switching positions | 3 |
| Hydraulic fluid | HL |
| Number of ports | 4 |
| Electrical connection description | Connector, 7-pole (6 + PE) according to EN 175201-804 |
| Spool symbol | Symbol W8 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.62 kg |
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.
| Hersteller-Nr | R901004329 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.620000 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
| Position sensing | No |
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