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Constant pilot pressure independent of the working pressure: the 4WRZE25W8-220-7X/6EG24K31/A1M draws pilot oil from its own circuit and returns it there. Nominal flow 220 l/min, 870 l/min at maximum, operating pressure 350 bar, weight 20.18 kg.
Proportional Directional Valve 4WRZE25W8-220-7X/6EG24K31/A1M - Bosch Rexroth R900747368
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,770.90
Item
BRR-R900747368
Manufacturer no.
R900747368
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900747368
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900747368
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If the working pressure varies widely, internal piloting makes the pilot pressure vary with it. The 4WRZE25W8-220-7X/6EG24K31/A1M avoids that coupling through external pilot oil supply and external return, controlling 220 l/min nominal flow with spool symbol W8.
Benefits
- External pilot oil supply and external pilot oil return, pilot pressure stays constant
- 220 l/min nominal flow, maximum flow 870 l/min
- Spool symbol W8 with three switching positions and four ports
- Analogue command value ±10 V, on-board electronics, supply voltage 24 VDC
- Operating pressure up to 350 bar, connection diagram ISO 4401-08-08-0-05, 20.18 kg
Technical data
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 220 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 | 25 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.18 kg |
Application
A sensible choice on axes with strongly changing load, for example presses with a drawing and holding step or test benches with load reversal. The separate piloting also allows several valves to share one supply. The operating medium is hydraulic fluid HL.
Manufacturer
Bosch Rexroth, material number R900747368, product family 4WRZ(E). Conformity UKCA - electromagnetic compatibility (EMC) SI2016/1091. Datasheet RE 29115 and overview RE 07600-B provide further data.
| Hersteller-Nr | R900747368 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.180000 |
| Zolltarifnummer | 84812010 |
| 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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