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The telescopic extension of a crane should travel evenly under load and stand safely. This valve meters 50 l/min at up to 315 bar, spool symbol W8, command value 10 V bipolar. Internal pilot oil supply, external return, concealed manual override, 8.66 kg.
Proportional Directional Valve 4WRZE10W8-50-7X/6EG24N9EK31/A1V - Bosch Rexroth R900977339
BOSCH REXROTH
Original product
Net price (excl. VAT)
€3,306.71
Item
BRR-R900977339
Manufacturer no.
R900977339
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900977339
Country of originGermany
ConditionNew
Artikel
BRR-R900977339
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As a telescope extends, load conditions change with every metre of reach. The 4WRZE10W8-50-7X/6EG24N9EK31/A1V holds speed against that at 50 l/min rated flow and 315 bar maximum, and blocks at centre as soon as the command signal returns to zero.
Benefits
- Spool symbol W8 with blocked centre holds the telescope without actuation.
- 50 l/min rated flow, flow up to 170 l/min, operating limit 315 bar.
- Internal pilot oil supply with external pilot oil return, without a pressure reducing valve.
- Command value 10 V bipolar, 24 VDC supply through a 7-pole plug (6 + PE) to EN 175201-804.
- Concealed manual override, 8.66 kg, size 10 to ISO 4401-05-05-0-05, FKM seals.
Technical data
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| Connection diagram | ISO 4401-05-05-0-05 |
| Max. flow | 170 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 50 l/min |
| Conformity | UKCA |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value ±10 V |
| 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 W8 |
| Operating pressure, max. | 315 bar |
| Size | 10 |
| Seals | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 8.66 kg |
Application
Telescopic extensions, outriggers and luffing gear on cranes and access platforms use this control. The concealed manual override serves for controlled retraction if actuation fails. Axes with greater demand run at 85 l/min rated flow.
Manufacturer
Bosch Rexroth, material number R900977339. Characteristic curves, installation dimensions and the port pattern are given in data sheet RE 29115 and in data sheet RE 07600-B.
| Hersteller-Nr | R900977339 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 8.660000 |
| 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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