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If the pilot circuit has its own pressure source, external pilot oil supply is mandatory. This version of the 4WRZE32 is supplied and drained externally, at 520 l/min nominal flow and 350 bar. The command value is a ±10 V voltage signal.
Proportional Directional Valve 4WRZE32E1-520-7X/6EG24K31/A1M - Bosch Rexroth R901274144
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,138.81
Item
BRR-R901274144
Manufacturer no.
R901274144
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Brand new
Specialist dealer since 2009
Original product
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Product data
Manufacturer no.R901274144
Country of originGermany
ConditionNew
Artikel
BRR-R901274144
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When the main circuit is unloaded during a cycle, an internally supplied pilot stage loses its force. This version of the 4WRZE32E1-520-7X therefore draws pilot oil externally and returns it externally, at 520 l/min nominal flow and 350 bar.
Benefits
- External pilot oil supply and external return, keeping the pilot stage independent of main pressure.
- ±10 V command value, directly compatible with the analog outputs of common control cards.
- 520 l/min nominal flow and up to 1600 l/min maximum flow in size 32.
- 350 bar operating pressure, NBR seals, connection diagram ISO 4401-10-09-0-05.
- 43.32 kg weight with symbol E1, three switching positions and on-board electronics on 24 V DC.
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 V DC |
| 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 E1 |
| 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 | 43.32 kg |
Applications
The variant makes sense in systems with a dedicated control oil circuit, for instance presses running on accumulators or plants that unload the main circuit between strokes. Four ports and subplate mounting keep integration into existing manifolds straightforward.
Manufacturer
Bosch Rexroth, material number R901274144, product family 4WRZ(E), conformity UKCA for electromagnetic compatibility (EMC) SI2016/1091. Details are in data sheets RE 29115 for the pilot-operated proportional directional valve and RE 07600-B.
| Hersteller-Nr | R901274144 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 43.320000 |
| 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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