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On a test bench the main circuit is unloaded within fractions of a second while the valves must stay controllable. This unit receives pilot oil from outside, metering 520 l/min at 350 bar independently of that. Command is ±10 V, spool symbol E, mass 44 kg.
Proportional Directional Valve 4WRZE32E520-7X/6EG24N9TK31/A1D3M - Bosch Rexroth R901082755
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,167.87
Item
BRR-R901082755
Manufacturer no.
R901082755
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901082755
Country of originGermany
ConditionNew
Artikel
BRR-R901082755
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Test benches run load changes that collapse system pressure within milliseconds, yet the valve must not drift away. The 4WRZE32E520-7X draws pilot oil from an external source, producing a nominal flow of 520 l/min at 350 bar from it.
Benefits
- External pilot oil supply keeps control pressure clear of load changes in the main circuit.
- Spool symbol E, three switching positions, four ports.
- 520 l/min nominal flow at a flow limit of 1600 l/min in size 32.
- ±10 V command on 24 VDC into the on-board electronics.
- 350 bar operating pressure, NBR seals, HL hydraulic fluid, 44 kg.
- Internal pilot oil return, subplate mounting ISO 4401-10-09-0-05, 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 E |
| 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 | 44 kg |
Application
Servo-hydraulic test rigs, material testing machines or accumulator-fed presses use this arrangement. The internal pilot return saves a line as long as the tank channel stays largely free of pressure. Concealed auxiliary actuation remains available for setup work along with fault handling.
Manufacturer
Bosch Rexroth, material number R901082755, product family 4WRZ(E). Data sheet RE 29115 states the permitted pilot pressure plus the curves, RE 07600-B places the series. Conformity UKCA under SI2016/1091.
| Hersteller-Nr | R901082755 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 44.000000 |
| 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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