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Back pressure in the tank line shifts the zero point of the pilot stage. This size 25 4WRTE therefore drains pilot oil externally, takes it internally and meters 220 l/min nominal flow at 350 bar through spool symbol E1.
Proportional Directional Valve 4WRTE25E1-220L-4X/6EG24EK31/A1M - Bosch Rexroth R900711074
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,767.36
Item
BRR-R900711074
Manufacturer no.
R900711074
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900711074
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900711074
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Filters and coolers in the return line create back pressure that detunes the pilot stage of a valve. This version picks up pilot oil internally and drains it through a separate unpressurised line, at 220 l/min nominal flow and 350 bar.
Benefits
- External pilot oil return drains the pilot stage to tank without pressure, independent of filter and cooler.
- Internal pilot oil supply saves a separate pressure line to the pilot stage.
- 220 l/min nominal flow at 350 bar, flow up to 870 l/min in size 25.
- Spool symbol E1, 3 switching positions, ±10 V command value through the on-board electronics.
- 18.02 kg installed weight, NBR seals, 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 | 220 l/min |
| Supply voltage | 24 V DC |
| 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 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 | 18.02 kg |
Applications
Suitable for plants with a long return path or with return line filters, for example in paper and film machinery. It also keeps the pilot stage stable when several axes work in parallel on one shared tank. Connection diagram ISO 4401-08-08-0-05.
Manufacturer
Bosch Rexroth, material number R900711074. Genuine series part from the manufacturer, not a replica. All values follow the manufacturer data record.
| Hersteller-Nr | R900711074 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 18.020000 |
| 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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