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Over long cable runs a voltage interface loses accuracy. This size 25 4WRTE therefore takes a 4 to 20 mA command value and meters 350 l/min nominal flow at 350 bar through spool symbol E1.
Proportional Directional Valve 4WRTE25E1-350L-4X/6EG24K31/F1M - Bosch Rexroth R900978068
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,086.93
Item
BRR-R900978068
Manufacturer no.
R900978068
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900978068
Country of originGermany
ConditionNew
Artikel
BRR-R900978068
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Long cable runs between cabinet and valve argue against a voltage interface. This pilot-operated proportional directional valve in size 25 works with a 4 to 20 mA current command value and meters 350 l/min nominal flow at 350 bar.
Benefits
- 4 to 20 mA command value, insensitive to voltage drop on long lines and to electrical interference.
- 350 l/min nominal flow at 350 bar, flow up to 870 l/min through size 25.
- Spool symbol E1 with 3 switching positions across four ports.
- External pilot oil supply and external pilot oil return separate the pilot stage from the main circuit.
- On-board electronics with internal spool position feedback, no extra closed-loop amplifier required.
- 18 kg installed weight, NBR seals for HL fluid, connector 7-pole (6 + PE) to EN 175201-804.
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Maximum flow | 870 l/min |
| Product family | 4WRTE |
| Type of connection | Subplate mounting |
| Nominal flow | 350 l/min |
| Supply voltage | 24 V DC |
| Connectivity | Analog, command value 4 to 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 E1 |
| 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 | 18 kg |
Applications
Suited to widely distributed hydraulic stations in rolling mills, paper machines and foundries. In test rigs where several valves are driven from one central cabinet the current command value stays stable. Mounting is on a subplate to ISO 4401-08-08-0-05.
Manufacturer
Bosch Rexroth, material number R900978068. Genuine series part from the manufacturer, not a replica. All values follow the manufacturer BMEcat.
| Hersteller-Nr | R900978068 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 18.000000 |
| 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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