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This build of the 4WRZE25W8-220 needs no extra pilot lines because both pilot oil supply and return run internally. Nominal flow is 220 l/min at 350 bar, the command is 4 ... 20 mA and the valve weighs 20.76 kg.
Proportional Directional Valve 4WRZE25W8-220-7X/6EG24ETK31/F1D3M - Bosch Rexroth R900973865
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,001.72
Item
BRR-R900973865
Manufacturer no.
R900973865
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900973865
Country of originGermany
ConditionNew
Artikel
BRR-R900973865
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The fewer lines running to a valve manifold, the fewer places it can leak. The 4WRZE25W8-220-7X/6EG24ETK31/F1D3M therefore uses internal pilot oil supply and internal return while still metering 220 l/min nominal flow at 350 bar.
Benefits
- Internal pilot oil supply and internal pilot oil return save two fittings per valve.
- The integrated pressure reducing valve keeps pilot pressure inside limits at system pressure up to 350 bar.
- 220 l/min nominal flow, 870 l/min maximum flow, spool symbol W8.
- A 4 ... 20 mA current command with broken wire detection below 4 mA.
- UKCA conformity including electromagnetic compatibility 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 VDC |
| Connectivity | Analog, command value 4...20 mA |
| 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 | 20.76 kg |
Applications
Suited to compact valve manifolds in series machinery where assembly time and leak points matter. Operating pressure of 350 bar reaches the valve without any dedicated pilot feed. HL hydraulic fluid, NBR seals.
Manufacturer
Bosch Rexroth, material number R900973865. Two documents are available, and the data sheet states characteristic curves and permitted pilot pressure.
| Hersteller-Nr | R900973865 |
|---|---|
| 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 |
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