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When a valve stand is built from scratch, the control oil circuit usually exists as its own loop already. This valve fits that layout with external pilot supply as well as external drain, metering 520 l/min at 350 bar. The command is ±10 V, mass 43.8 kg.
Proportional Directional Valve 4WRZE32W6-520-7X/6EG24N9K31/A1D3M - Bosch Rexroth R901108884
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,857.35
Item
BRR-R901108884
Manufacturer no.
R901108884
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901108884
Country of originGermany
ConditionNew
Artikel
BRR-R901108884
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Anyone building a new valve stand has normally planned the control oil loop as a separate assembly. The 4WRZE32W6-520-7X matches that with external pilot supply plus external pilot drain, controlling 520 l/min nominal flow at 350 bar.
Benefits
- ±10 V command from any common analogue card, supply 24 VDC.
- 520 l/min nominal flow in size 32 against a limit of 1600 l/min.
- Spool symbol W6, three switching positions, four ports.
- Pilot oil fed externally, drained externally, pilot stage with pressure reducing valve.
- 350 bar operating pressure with NBR seals on HL hydraulic fluid, 43.8 kg.
- ISO 4401-10-09-0-05 subplate mounting, 7-pole connector (6 + PE) to EN 175201-804.
Technical data
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| Connection diagram | ISO 4401-10-09-0-05 |
| Max. flow | 1600 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 520 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 7-pole (6 + PE) according to EN 175201-804 |
| Spool symbol | Symbol W6 |
| Operating pressure, max. | 350 bar |
| Size | 32 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 43.8 kg |
Application
Rolling mills or steelworks mount their valves on shared manifolds fed by a dedicated control oil supply. Fully external piloting pays off there, because neither system pressure nor tank pressure alters the switching times. The concealed auxiliary actuation stays accessible for emergencies.
Manufacturer
Bosch Rexroth, material number R901108884, product family 4WRZ(E). Curves, pilot pressure plus installation notes sit in data sheet RE 29115, with the programme overview in RE 07600-B. Conformity UKCA under SI2016/1091.
| Weight | 43.800000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901108884 |
| 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 |
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