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Driving rapid traverse and fine feed from one valve saves a second axis. The 4WRZ25W8-325-7X/6EG24TK4/M is rated at 325 l/min nominal flow and permits flows up to 870 l/min. External pilot supply, 18.2 kg weight.
Proportional Directional Valve 4WRZ25W8-325-7X/6EG24TK4/M - Bosch Rexroth R901077282
BOSCH REXROTH
Original product
Net price (excl. VAT)
€3,968.84
Item
BRR-R901077282
Manufacturer no.
R901077282
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901077282
Country of originGermany
ConditionNew
Artikel
BRR-R901077282
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An axis that approaches quickly and then meters finely needs a wide span between nominal and peak flow. The 4WRZ25W8-325-7X/6EG24TK4/M covers 325 l/min nominal flow and allows up to 870 l/min.
Benefits
- 325 l/min nominal flow with flow up to 870 l/min, rapid traverse and fine feed sit on the same axis.
- External pilot supply, pilot pressure stays constant when speeds change.
- Internal return, only the X line is added.
- 18.2 kg weight, 350 bar maximum operating pressure, spool symbol W8 in size 25.
- Commanded at 24 VDC through an external amplifier, 7-pole (6 + PE) plug to EN 175201-804.
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 W8 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 18.2 kg |
Applications
The valve is used on test rigs, drawing presses and infeed axes that alternate between fast travel and slow force application. The command value of the amplifier sets the speed, and the valve converts it through the opening cross section. The pilot circuit is supplied separately.
Manufacturer
Bosch Rexroth, material number R901077282. Flow characteristics for both operating ranges are given in data sheet RE 29115, the range overview in RE 07600-B.
| Hersteller-Nr | R901077282 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 18.200000 |
| 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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