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A 4 to 20 mA command value reveals a broken cable on its own, because 0 mA is not a valid value. This size 25 4WRZE uses it and meters 220 l/min nominal flow at 350 bar through spool symbol E, at 20.51 kg.
Proportional Directional Valve 4WRZE25E220-7X/6EG24K31/F1M - Bosch Rexroth R901468204
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,052.45
Item
BRR-R901468204
Manufacturer no.
R901468204
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901468204
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901468204
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A current signal of 4 to 20 mA makes a broken cable visible at once, because the zero point lies outside the valid range. This pilot-operated proportional directional valve of the 4WRZE series works that way and meters 220 l/min nominal flow at 350 bar.
Benefits
- 4 to 20 mA command value, a cable break is detected as a fault by the controller.
- 220 l/min nominal flow at 350 bar, flow up to 870 l/min in size 25.
- External pilot oil supply and external return for a dedicated pilot circuit.
- Spool symbol E, 3 switching positions, on-board electronics with internal spool position feedback.
- 20.51 kg installed weight, UKCA declaration for electromagnetic compatibility.
Technical data
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| Connection diagram | ISO 4401-08-08-0-05 |
| Maximum flow | 870 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 220 l/min |
| Conformity | UKCA |
| 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 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 | 20.51 kg |
Applications
Used on axes whose failure has to be detected, such as lifting gear, lock gates and test rigs carrying a load. Diagnosis of the command value range is handled by the machine controller. Connection diagram ISO 4401-08-08-0-05.
Manufacturer
Bosch Rexroth, material number R901468204. Genuine series part from the manufacturer, not a replica. The characteristics come from the manufacturer BMEcat. Characteristic curves, installation dimensions and limits are given in data sheets RE 29115 and RE 07600-B.
| Hersteller-Nr | R901468204 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.510000 |
| 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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