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A separate pilot circuit and a fine nominal step give a well reproducible characteristic. The 4WRZ10W8-25-7X/6EG24N9K4/D3M feeds and discharges pilot oil externally and controls 25 l/min at 315 bar. Spool symbol W8, 8.2 kg, driven from external electronics.
Proportional Directional Valve 4WRZ10W8-25-7X/6EG24N9K4/D3M - Bosch Rexroth R901000863
BOSCH REXROTH
Original product
Net price (excl. VAT)
€2,770.89
Item
BRR-R901000863
Manufacturer no.
R901000863
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901000863
Country of originGermany
ConditionNew
Artikel
BRR-R901000863
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Reproducibility comes from a pilot pressure that stays constant. The 4WRZ10W8-25-7X/6EG24N9K4/D3M therefore draws and relieves its pilot oil externally and works at 25 l/min nominal flow in size 10.
Benefits
- External pilot oil supply and external return, constant pilot pressure across the whole cycle.
- 25 l/min nominal flow for fine resolution, up to 170 l/min flow.
- 315 bar operating pressure, spool symbol W8 with 3 switching positions across 4 ports.
- Pressure reducing valve in the pilot stage, plus concealed auxiliary actuation.
- 8.2 kg, 24 VDC, NBR seals for HL hydraulic fluid in size 10.
Technical data
| Connection diagram | ISO 4401-05-05-0-05 |
| Max. flow | 170 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 25 l/min |
| Supply voltage | 24 VDC |
| 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. | 315 bar |
| Size | 10 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 8.2 kg |
Applications
It is intended for test benches and control axes where every stroke has to come out the same. The dedicated pilot circuit takes fluctuations of the main pressure out of the control loop. Spool symbol W8 defines how the ports are joined in centre position.
Manufacturer
Bosch Rexroth, material number R901000863. Characteristic curves, step responses and installation dimensions are given in data sheet RE 29115 on the pilot-operated proportional directional valve, the series overview in RE 07600-B.
| Hersteller-Nr | R901000863 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 8.200000 |
| 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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