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A scrap shear runs hard load changes and calls for a valve with a clear centre position. The 4WRZE25W8-220-7X/6EG24N9TK31/A1D3M meters 220 l/min nominal flow with spool symbol W8 and a ±10 V command value at 350 bar operating pressure.
Proportional Directional Valve 4WRZE25W8-220-7X/6EG24N9TK31/A1D3M - Bosch Rexroth R901141018
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,089.41
Item
BRR-R901141018
Manufacturer no.
R901141018
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901141018
Country of originGermany
ConditionNew
Artikel
BRR-R901141018
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During the cut, pressure in the working circuit collapses within milliseconds, and the pilot stage must not notice. The 4WRZE25W8-220-7X/6EG24N9TK31/A1D3M therefore takes pilot oil from outside, returns it internally and meters 220 l/min nominal flow with a ±10 V command value.
Benefits
- External pilot oil supply keeps control free of pressure shocks during the cut.
- A ±10 V command value fits common analogue outputs without a signal converter.
- Nominal flow 220 l/min, maximum flow of the series 870 l/min.
- Spool symbol W8, 3 switching positions, 4 ports, connection diagram ISO 4401-08-08-0-05.
- Operating pressure 350 bar, NBR seals, weight 20.58 kg, UKCA to SI2016/1091.
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 V DC |
| 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 | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.58 kg |
Applications
The valve drives cutting and pressing cylinders in scrap shears, baling presses and shredders. The concealed manual override helps to free a jammed blade without control voltage. A pressure reducing valve in the pilot circuit limits pilot pressure independently of system pressure.
Manufacturer
Bosch Rexroth, material number R901141018. The technical basis is given in datasheets RE 29115 and RE 07600-B.
| Hersteller-Nr | R901141018 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.580000 |
| 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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