Proportional Directional Valve 4WRZE25W8-220-7X/6EG24N9TK31/A1D3V - Bosch Rexroth R901239776
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Spool symbol W8 sets this valve apart from the E versions of the same series. The 4WRZE25W8-220-7X/6EG24N9TK31/A1D3V meters 220 l/min nominal flow in size 25 with it, takes pilot oil externally and works up to 350 bar operating pressure.
Benefits
- Symbol W8 in 3 switching positions, 220 l/min nominal flow, 870 l/min maximum.
- External pilot oil supply with internal pilot oil return and a built-in pressure reducing valve.
- ±10 V command value on 24 VDC through a 7-pole connector (6 + PE) to EN 175201-804.
- Concealed manual override, operating pressure up to 350 bar.
- FKM seals, ISO 4401-08-08-0-05 interface, 20.76 kg, UKCA conformity.
Technical data
| Conformity description | UKCA - electromagnetic compatibility (EMC) SI2016/1091 |
| 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 |
| Conformity | UKCA |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value ±10 V |
| 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 W8 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.76 kg |
Applications
The valve controls axes in presses, lifting gear and test rigs whose circuit diagram calls for symbol W8. On a replacement, check the pilot arrangement as well as the symbol, since external supply with internal drain is a combination of its own. A constant control pressure has to be present.
Manufacturer
Bosch Rexroth, material number R901239776. The type code 4WRZE25W8-220-7X/6EG24N9TK31/A1D3V states size 25, spool symbol W8, 220 l/min nominal flow and a ±10 V command value. Further details are given in data sheets RE 29115 and RE 07600-B.
| Hersteller-Nr | R901239776 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.760000 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
