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Running a hydraulic axis under closed-loop position control normally means a valve plus a separate controller card. This size 25 4WRLD carries the digital axis controller on board and meters 400 l/min nominal flow at 350 bar. The command value arrives as an analog ±10 V signal through the 12-pole connector.
Proportional Directional Valve 4WRLD25W8-350LJ-4X/MXY/24ND6T - Bosch Rexroth R901532918
BOSCH REXROTH
Original product
Net price (excl. VAT)
€8,932.85
Item
BRR-R901532918
Manufacturer no.
R901532918
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901532918
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901532918
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A hydraulic axis should hold its own position without a controller card taking up cabinet space and wiring. The 4WRLD25W8-350LJ-4X/MXY/24ND6T covers both jobs in one device, metering 400 l/min nominal flow at 350 bar operating pressure with the digital axis controller mounted on the valve body.
Benefits
- Integrated axis controller - closed-loop control runs on the valve electronics, powered from 24 V DC, so no external amplifier card is required.
- 400 l/min nominal flow in size 25, with up to 1250 l/min possible by design.
- 350 bar operating pressure across all four ports, rated for HL hydraulic fluid with NBR seals.
- Symbol W8 with three switching positions for cylinders and motors that travel under control in both directions.
- Internal spool position feedback keeps the spool on the command value even against high flow forces.
- External pilot oil supply and external pilot oil return keep the pilot circuit separate from the main circuit.
Technical data
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 1250 l/min |
| Product family | 4WRLD |
| Type of connection | Subplate mounting |
| Nominal flow | 400 l/min |
| Conformity | UKCA |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value ±10 V |
| Number of switching positions | 3 |
| Hydraulic fluid | HL |
| Number of ports | 4 |
| Electrical connection description | Connector 12-pole (11 + PE) according to EN 175201-804 |
| Spool symbol | Symbol W8 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 12-pole (11 + PE) |
| Type of actuation | Electrical with integrated digital axis controller |
| Weight | 18.58 kg |
Application
The usual home for this valve is a servo axis in presses, test rigs and forming equipment where position or velocity is commanded by a higher-level controller. The ISO 4401-08-08-0-05 interface allows a direct swap against other size 25 valves on existing subplates. At 18.58 kg it belongs in stationary power units.
Manufacturer
Bosch Rexroth, material number R901532918. Conformity is documented as UKCA with electromagnetic compatibility per SI2016/1091.
| Hersteller-Nr | R901532918 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 19.720000 |
| Zolltarifnummer | 84812010 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
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