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Going from 220 to 325 l/min nominal flow shortens rapid traverse without changing the interface. This 4WRZE25 with spool symbol W6 works at 350 bar, is piloted internally and drained externally. The command value arrives as a 4...20 mA current.
Proportional Directional Valve 4WRZE25W6-325-7X/6EG24N9EK31/F1M - Bosch Rexroth R900746202
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,131.33
Item
BRR-R900746202
Manufacturer no.
R900746202
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900746202
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900746202
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When cycle time is the bottleneck, a larger nominal flow is often the simplest remedy, because the mounting pattern stays the same. With 325 l/min instead of 220 l/min this 4WRZE25 speeds up the rapid stroke on the same ISO 4401-08-08-0-05 interface.
Benefits
- 325 l/min nominal flow on an unchanged size 25 mounting pattern.
- Up to 870 l/min maximum flow at 350 bar operating pressure.
- 4...20 mA current command, insensitive to voltage drop in the cable.
- Internal pilot supply with external return, only one extra line on the manifold.
- On-board electronics with a 7-pole connector (6 + PE) to EN 175201-804.
Technical data
| Conformity, evidence | 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 | 325 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 | Connector 7-pole (6 + PE) according to EN 175201-804 |
| Spool symbol | Symbol W6 |
| 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 | 20.2 kg |
Applications
The change pays off on presses, injection moulding machines and test benches whose cylinder fills too slowly in rapid traverse. Before the swap it is worth checking that pump and line cross sections can deliver the higher flow. The valve weighs 20.2 kg and runs on HL hydraulic fluid.
Manufacturer
Genuine Bosch Rexroth part, material number R900746202. Full characteristic curves and mounting dimensions are listed in data sheet RE 29115 and RE 07600-B.
| Hersteller-Nr | R900746202 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.200000 |
| Zolltarifnummer | 84812010 |
| 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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