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The 4WRZ25W6-220-7X/6EG24N9EK4/D3V does without a separate pilot pump, as pilot oil is taken from the main circuit while the return leads outside separately. Rated flow is 220 l/min, spool symbol W6, weight 20.58 kg.
Proportional Directional Valve 4WRZ25W6-220-7X/6EG24N9EK4/D3V - Bosch Rexroth R900952914
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,424.10
Item
BRR-R900952914
Manufacturer no.
R900952914
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900952914
Country of originGermany
ConditionNew
Artikel
BRR-R900952914
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Where no separate pilot pump exists, pilot oil has to come from the main circuit. The 4WRZ25W6-220-7X/6EG24N9EK4/D3V works with internal supply and external return while metering 220 l/min of rated flow.
Benefits
- Rated flow of 220 l/min in size 25, with up to 870 l/min across the valve.
- Internal pilot oil supply and external pilot oil return on the pilot-operated main stage.
- Spool symbol W6 with three switching positions across four ports.
- Integrated pressure reducing valve keeps pilot pressure constant even when main pressure rises.
- 20.58 kg, FKM seals, operating pressure up to 350 bar, connection diagram ISO 4401-08-08-0-05.
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 W6 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | FKM |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 20.58 kg |
Applications
The external return is needed when back pressure in the tank channel would disturb the pilot stage. The valve suits feed axes on machines with a single pump circuit.
Manufacturer
The valve comes from Bosch Rexroth and carries material number R900952914 in product family 4WRZ(E). Characteristic curves, limits and mounting dimensions are given in datasheet Proportional directional valve, pilot-operated (RE 29115) and Hydraulic valves and hydro- (RE 07600-B).
| Hersteller-Nr | R900952914 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.580000 |
| 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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