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On a test rig, pilot pressure is often set and measured deliberately from outside. The 4WRZ25E325-7X/6EG24N9TK4/D3M takes pilot oil externally and protects itself with its own pressure reducing valve. 325 l/min nominal flow, 20.4 kg.
Proportional Directional Valve 4WRZ25E325-7X/6EG24N9TK4/D3M - Bosch Rexroth R900709344
BOSCH REXROTH
Original product
Net price (excl. VAT)
€3,617.52
Item
BRR-R900709344
Manufacturer no.
R900709344
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900709344
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900709344
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When tuning an axis it helps to be able to set and measure pilot pressure from outside. The 4WRZ25E325-7X/6EG24N9TK4/D3M permits that through its external supply and additionally limits pressure inside the valve, at 325 l/min nominal flow.
Benefits
- External supply for pilot pressure, measuring point and adjustment sit outside the valve.
- Additional limiting by the built-in pressure reducing valve, a supply pressure set too high does not reach the pilot stage.
- 325 l/min nominal flow, flow up to 870 l/min, spool symbol E in size 25.
- 20.4 kg weight, 350 bar maximum operating pressure, internal return, NBR seals.
- Concealed auxiliary actuation, commanded at 24 VDC through an external amplifier.
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 | 325 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 | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 20.4 kg |
Applications
This combination is meant for test rigs and for plants that are measured during commissioning. Pilot pressure can be changed on the external branch without touching the working circuit. The return uses the tank channel of the connection pattern.
Manufacturer
Bosch Rexroth, material number R900709344. Measuring points, pilot pressure and characteristic curves are given in data sheet RE 29115, with RE 07600-B for further reading.
| Hersteller-Nr | R900709344 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.400000 |
| 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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