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When the pilot stage may draw its oil from the main channel but the drain has to leave separately, the 4WRZ25E1-325-7X fits. It meters 325 l/min nominal flow through spool symbol E1 and returns pilot oil externally, keeping that return independent of the main line.
Proportional Directional Valve 4WRZ25E1-325-7X/6EG24EK4/D3M - Bosch Rexroth R901496879
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,199.66
Item
BRR-R901496879
Manufacturer no.
R901496879
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901496879
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901496879
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Internal pilot oil supply saves a line, an external return still keeps the pilot circuit clean. The 4WRZ25E1-325-7X combines both in size 25 at 325 l/min nominal flow, with an integrated pressure reducing valve holding the pilot pressure steady.
Benefits
- 325 l/min nominal flow, peaks up to 870 l/min on the ISO 4401-08-08-0-05 interface.
- Integrated pressure reducing valve keeps pilot pressure stable even when system pressure moves.
- Pilot oil taken internally, returned externally, so the return can be routed unpressurised.
- 350 bar maximum operating pressure with spool symbol E1 and 3 switching positions.
- 20 kg weight, NBR seals, commanded at 24 VDC through external electronics.
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 E1 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 20 kg |
Applications
Typical installations are injection moulding machines, test benches and stretching lines with closed-loop axis motion. External electronics sit in the cabinet and allow several axes to be parameterised together. Connection runs through a 7-pole plug to EN 175201-804.
Manufacturer
Bosch Rexroth, material number R901496879. Characteristic curves, step responses and dimensions appear in data sheet RE 29115, with an overview in catalogue RE 07600-B.
| Hersteller-Nr | R901496879 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.000000 |
| 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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