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An external pilot circuit and a 4-20 mA command value decouple both control behaviour and signal path from disturbances in the surroundings. Nominal flow is 220 l/min and operating pressure reaches 350 bar. Spool symbol E, on-board electronics at 24 VDC.
Proportional Directional Valve 4WRZE25E220-7X/6EG24N9K31/F1D3V - Bosch Rexroth R900775139
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,306.36
Item
BRR-R900775139
Manufacturer no.
R900775139
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900775139
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900775139
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External pilot control together with a current command value gives the least sensitive variant in this series. At 220 l/min nominal flow with spool symbol E, both the hydraulic side and the signal path stay decoupled from disturbances.
Benefits
- External pilot feed and pilot return, pilot pressure independent of a load pressure up to 350 bar
- 4-20 mA command value, unaffected by cable length and electrical pick-up
- 220 l/min nominal flow, finer resolution than the 325 l/min version
- Spool symbol E, three switching positions, four ports
- Mass 20.74 kg, FKM seals, HL hydraulic fluid
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 E |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.74 kg |
Application
The combination has proved itself in plants with heavy electrical interference and strongly varying load pressure, such as forges and continuous casting lines. Each disturbance is dealt with separately. A dedicated pilot oil supply at an adequate pressure level is the precondition.
Manufacturer
The manufacturer is Bosch Rexroth and the material number is R900775139. Data sheet RE 29115 carries all characteristic curves and installation data, complemented by overview RE 07600-B.
| Hersteller-Nr | R900775139 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.740000 |
| 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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