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If an axis rated at 325 l/min is driven from a motion control with ±10 V and the piping should stay small, this internally piloted version fits. Pilot oil comes and goes internally, and operating pressure is 350 bar. Spool symbol W6, size 25.
Proportional Directional Valve 4WRZE25W6-325-7X/6EG24N9ETK31/A1M - Bosch Rexroth R900778656
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,593.14
Item
BRR-R900778656
Manufacturer no.
R900778656
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900778656
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900778656
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A voltage command from the motion control plus a manifold without pilot ports keeps the installation lean. The 4WRZE25 with spool symbol W6 is internally piloted and internally drained and converts that into 325 l/min nominal flow at 350 bar.
Benefits
- ±10 V command straight from the motion control, without an intermediate card.
- Internal pilot routing in both directions, no X and Y ports on the manifold.
- 325 l/min nominal flow, up to 870 l/min maximum.
- On-board electronics at the valve, 24 VDC supply.
- 20.24 kg, ISO 4401-08-08-0-05 connection diagram, three switching positions.
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 ±10 V |
| 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 | 20.24 kg |
Applications
The variant is used on positioning axes in machine building, on test benches and in special machines with tight installation space. It requires a system pressure that stays permanently above the minimum pilot pressure. The operating medium is HL hydraulic fluid, sealed with NBR.
Manufacturer
The manufacturer is Bosch Rexroth, material number R900778656. Full characteristic curves and mounting dimensions are listed in data sheet RE 29115 and RE 07600-B.
| Hersteller-Nr | R900778656 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.240000 |
| Zolltarifnummer | 84812010 |
| 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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