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If a plant runs its own pilot oil circuit, the main valve should use it. The 4WRZ25E220-7X/6EG24N9K4/D3V takes pilot oil externally and returns it externally, at a rated flow of 220 l/min in size 25 and a weight of 20.86 kg.
Proportional Directional Valve 4WRZ25E220-7X/6EG24N9K4/D3V - Bosch Rexroth R900971595
BOSCH REXROTH
Original product
Net price (excl. VAT)
€3,979.27
Item
BRR-R900971595
Manufacturer no.
R900971595
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900971595
Country of originGermany
ConditionNew
Artikel
BRR-R900971595
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Total price
A plant keeps a separate filtered circuit for its pilot stage, and the large directional valve should hang on it. The 4WRZ25E220-7X/6EG24N9K4/D3V takes its pilot oil externally and returns it externally 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.
- External pilot oil supply and external pilot oil return on the pilot-operated main stage.
- Spool symbol E with three switching positions across four ports.
- External electronics on an amplifier card, valve wiring through a 7-pole connector (6 + PE).
- 20.86 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 E |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | FKM |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 20.86 kg |
Applications
Separate pilot circuits are found in presses and test benches whose main pressure varies widely. With supply and return both external, the pilot stage stays clear of those swings. Closed loop control is handled by an amplifier card in the cabinet.
Manufacturer
Bosch Rexroth lists this valve under material number R900971595, product family 4WRZ(E). Further data is given in datasheet Proportional directional valve, pilot-operated (RE 29115) and Hydraulic valves and hydro- (RE 07600-B).
| Hersteller-Nr | R900971595 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.860000 |
| 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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