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A separate pilot circuit, spool symbol W6 and a current command value make this size 25 4WRZE the externally supplied sister of the internal version. It meters 325 l/min nominal flow at 350 bar and weighs 20.58 kg.
Proportional Directional Valve 4WRZE25W6-325-7X/6EG24K31/F1M - Bosch Rexroth R901047428
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,052.45
Item
BRR-R901047428
Manufacturer no.
R901047428
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901047428
Country of originGermany
ConditionNew
Artikel
BRR-R901047428
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As soon as main pressure drops between cycles, the pilot stage has to come from a source of its own. This version with spool symbol W6 uses a separate circuit and meters 325 l/min nominal flow at 350 bar.
Benefits
- External pilot oil supply and external return protect the pilot stage against fluctuating main pressure.
- 325 l/min nominal flow at 350 bar, up to 870 l/min flow in size 25.
- 4 to 20 mA command value on the on-board electronics, internal spool position feedback.
- Spool symbol W6, 3 switching positions, supply voltage 24 V DC.
- 20.58 kg installed weight, UKCA declaration, NBR seals for HL hydraulic fluid.
Technical data
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| Connection diagram | ISO 4401-08-08-0-05 |
| Maximum flow | 870 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 325 l/min |
| Conformity | UKCA |
| Supply voltage | 24 V DC |
| Connectivity | Analog, command value 4 to 20 mA |
| Number of switching positions | 3 |
| Hydraulic fluid | HL |
| Number of ports | 4 |
| Electrical connection | Connector, 7-pole (6 + PE) according to EN 175201-804 |
| Spool symbol | Symbol W6 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.58 kg |
Applications
Used in forging and drawing presses, in scrap shears and in plants with strongly changing loads. A separate pilot circuit keeps switching times and the zero point stable through load changes. Connection diagram ISO 4401-08-08-0-05.
Manufacturer
Bosch Rexroth, material number R901047428. Genuine series part from the manufacturer, not a replica. The values come from the manufacturer catalogue. Characteristic curves, installation dimensions and limits are given in data sheets RE 29115 and RE 07600-B.
| Hersteller-Nr | R901047428 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.580000 |
| 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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