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Axes with a moderate oil demand are easier to control finely when nominal flow matches cylinder size. This version of the 4WRZE25 therefore stays at 220 l/min, closes in centre position according to symbol E and works up to 350 bar.
Proportional Directional Valve 4WRZE25E220-7X/6EG24ETK31/A1D3M - Bosch Rexroth R900954670
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,260.06
Item
BRR-R900954670
Manufacturer no.
R900954670
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900954670
Country of originGermany
ConditionNew
Artikel
BRR-R900954670
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Symbol E at 220 l/min produces a combination for axes that must hold position accurately without being oversized. The 4WRZE25E220-7X/6EG24ETK31/A1D3M is piloted internally and controls up to an operating pressure of 350 bar.
Benefits
- Nominal flow 220 l/min, matched to medium cylinder areas in size 25.
- Spool symbol E, centre position closed according to the associated switching symbol.
- Internal pilot oil supply and internal return without a separate control circuit.
- Operating pressure up to 350 bar, up to 870 l/min possible through the valve.
- On-board electronics, analog ±10 V command value, 24 VDC supply.
- 7-pole connector (6 + PE) to EN 175201-804, mass 20.52 kg.
Technical data
| Product family | 4WRZ(E) |
| Size | 25 |
| Connection diagram | ISO 4401-08-08-0-05 |
| Type of connection | Subplate mounting |
| Nominal flow | 220 l/min |
| Max. flow | 870 l/min |
| Operating pressure, max. | 350 bar |
| Number of ports | 4 |
| Number of switching positions | 3 |
| Spool symbol | Symbol E |
| Type of actuation | Electrical with on-board electronics |
| Connectivity | Analog, command value ±10 V |
| Supply voltage | 24 VDC |
| Electrical connection description | Connector 7-pole (6 + PE) according to EN 175201-804 |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Hydraulic fluid | HL |
| Seals | NBR |
| Conformity | UKCA |
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| Weight | 20.52 kg |
Applications
The variant suits test rigs and presses whose axes travel short distances precisely. Limiting nominal flow to 220 l/min improves resolution in the lower command range. Internal piloting requires permanent pressure in the main circuit.
Manufacturer
Bosch Rexroth, material number R900954670. Characteristic curves, step responses and installation dimensions are in the data sheet Proportional directional valve, pilot-operated (RE 29115).
| Hersteller-Nr | R900954670 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.520000 |
| 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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