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Where a dedicated pilot pressure circuit already exists, external pilot oil supply pays off. This unit draws pilot oil from outside, returns it internally and delivers 520 l/min nominal flow at 350 bar. The command value is ±10 V, spool symbol W8, mass 43.7 kg.
Proportional Directional Valve 4WRZE32W8-520-7X/6EG24N9TK31/A1D3M - Bosch Rexroth R901079372
BOSCH REXROTH
Original product
Net price (excl. VAT)
€7,143.55
Item
BRR-R901079372
Manufacturer no.
R901079372
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
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Product data
Manufacturer no.R901079372
Country of originGermany
ConditionNew
Artikel
BRR-R901079372
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An existing pilot pressure circuit can be put to work straight away: this valve draws pilot oil externally, releases it internally and runs at 520 l/min nominal flow up to 350 bar.
Key benefits
- External pilot oil supply uses pilot pressure that is already available, the internal return saves the Y line.
- 520 l/min nominal flow in a body released for flows up to 1600 l/min.
- Spool symbol W8 across 3 switching positions and 4 ports to ISO 4401-10-09-0-05.
- ±10 V command value on 24 VDC through a 7-pole connector (6 + PE) to EN 175201-804.
- 43.7 kg installed mass, integrated pressure reducing valve, NBR seals for HL hydraulic fluid.
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 W8 |
| 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 | 43.7 kg |
Applications
The variant makes sense on presses and forming lines that already run their own pilot pressure supply, for example for clamping or safety functions. Internal pilot oil return assumes a largely unloaded tank line. Operation is on HL hydraulic fluid.
Manufacturer
Bosch Rexroth, material number R901079372, product family 4WRZ(E). Permissible pilot pressures are listed in data sheet RE 29115, general hydraulic valve information is in RE 07600-B.
| Hersteller-Nr | R901079372 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 43.700000 |
| 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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