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Plants with their own pilot pump feed and relieve the pilot stage separately from the main circuit. The 4WRZ25W9-220-7X/6EG24N9K4/D3M is built exactly that way, delivers 220 l/min nominal flow and takes 350 bar operating pressure at 20.72 kg.
Proportional Directional Valve 4WRZ25W9-220-7X/6EG24N9K4/D3M - Bosch Rexroth R900754779
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,109.52
Item
BRR-R900754779
Manufacturer no.
R900754779
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900754779
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900754779
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In plants with their own pilot pump, the pilot stage is fed and relieved separately. The 4WRZ25W9-220-7X/6EG24N9K4/D3M is built for that and controls 220 l/min nominal flow in size 25.
Benefits
- 220 l/min nominal flow at an operating pressure of up to 350 bar.
- Pilot-operated spool valve in size 25, throughput up to 870 l/min.
- Pilot oil supplied externally and returned externally in this version.
- External electronics take over the control, 24 V DC supply.
- Symbol W9, 20.72 kg, hydraulic fluid HL, NBR seals.
Technical data
| 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 |
| 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 W9 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 20.72 kg |
Applications
It is used in control manifolds of large axes where a command value has to be turned into speed steplessly. The concealed auxiliary actuation allows the axis to be moved during commissioning without an electrical signal.
Manufacturer
The manufacturer is Bosch Rexroth, material number R900754779. Characteristic curves, installation dimensions and tightening torques are in data sheet RE 29115.
| Hersteller-Nr | R900754779 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.720000 |
| Zolltarifnummer | 84812010 |
| 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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