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Rolling mills and forming lines with strong interference fields control axes more safely through a current signal. This size 25 valve takes 4...20 mA, meters 325 l/min nominal at 350 bar with the E spool, and is supplied with pilot oil externally.
Proportional Directional Valve 4WRZE25E325-7X/6EG24N9TK31/F1D3M - Bosch Rexroth R900738833
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,338.93
Item
BRR-R900738833
Manufacturer no.
R900738833
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900738833
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900738833
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Frequency converters and welding equipment put noise on every signal line. This valve sidesteps the problem with a 4...20 mA command value and meters 325 l/min nominal flow through its E spool.
Benefits
- Current command value of 4...20 mA instead of a voltage signal, insensitive to electrical noise
- Nominal flow 325 l/min at an operating pressure of 350 bar
- External pilot oil supply with internal return, only one extra line required
- E spool, three switching positions, four ports
- UKCA conformity including electromagnetic compatibility to SI2016/1091
- Weight 20.5 kg, port pattern ISO 4401-08-08-0-05
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 | 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 description | Connector 7-pole (6 + PE) according to EN 175201-804 |
| Spool symbol | Symbol E |
| 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 | 20.5 kg |
Application
The version targets rolling lines, straightening machines and forming presses where large drives sit close to the control hydraulics. External pilot oil supply allows a dedicated filter stage for the pilot circuit. Operation is on HL hydraulic fluid with NBR seals.
Manufacturer
Bosch Rexroth lists this valve under material number R900738833. The manufacturer datasheet with characteristic curves, port pattern and installation dimensions is available in the download area of this page.
| Hersteller-Nr | R900738833 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.500000 |
| 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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