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Where a separate pilot pump already exists, this version keeps pilot pressure independent of main pressure: pilot oil is supplied and returned externally. The size 32 4WRZE meters 520 l/min nominal at 350 bar and takes a ±10 V command signal.
Proportional Directional Valve 4WRZE32W9-520-7X/6EG24N9K31/A1D3V - Bosch Rexroth R900975768
BOSCH REXROTH
Original product
Net price (excl. VAT)
€8,198.11
Item
BRR-R900975768
Manufacturer no.
R900975768
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900975768
Country of originGermany
ConditionNew
Artikel
BRR-R900975768
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When main pressure drops during the cycle the pilot stage should not notice. This size 32 4WRZE therefore takes its pilot oil from an external source and, independently of the main circuit, meters 520 l/min nominal and up to 1600 l/min at operating pressures to 350 bar.
Benefits
- External pilot oil supply and return keep pilot pressure independent of load pressure in the main circuit.
- 520 l/min nominal flow and up to 1600 l/min maximum flow.
- 350 bar operating pressure with FKM seals for HL hydraulic fluid.
- ±10 V voltage command into the on-board electronics, 24 VDC supply.
- Concealed manual override and an integrated pressure reducing valve in the pilot stage.
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 W9 |
| Operating pressure, max. | 350 bar |
| Size | 32 |
| Seals | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 44 kg |
Applications
It makes sense in systems with strongly varying load pressure such as forging presses, plastics machinery and cyclic test rigs. A dedicated pilot circuit with sufficient supply is a prerequisite. The valve weighs 44 kg and mounts on an ISO 4401-10-09-0-05 subplate.
Manufacturer
Bosch Rexroth, material number R900975768. Detailed figures in data sheet RE 29115 and in catalogue RE 07600-B.
| Hersteller-Nr | R900975768 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 44.000000 |
| 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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