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Stage lifts have to be movable by hand when the control system fails. This valve carries a concealed manual override and meters 85 l/min at up to 315 bar. Spool symbol W8, internal pilot oil supply, 8.48 kg.
Proportional Directional Valve 4WRZE10W8-85-7X/6EG24N9ETK31/A1V - Bosch Rexroth R978916358
BOSCH REXROTH
Original product
Net price (excl. VAT)
€3,306.71
Item
BRR-R978916358
Manufacturer no.
R978916358
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R978916358
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R978916358
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Anyone who has to move a lifting axis by hand in an emergency needs mechanical access at the valve. The 4WRZE10W8-85-7X/6EG24N9ETK31/A1V provides a concealed manual override and in normal service meters 85 l/min rated flow at 315 bar maximum.
Benefits
- Concealed manual override for the case that electrical actuation fails.
- 85 l/min rated flow, flow up to 170 l/min, operating limit 315 bar.
- Spool symbol W8, three switching positions, ISO 4401-05-05-0-05 pattern in size 10.
- Internal pilot oil supply and internal pilot oil return, build without a pressure reducing valve.
- Command value 10 V bipolar, 24 VDC supply, 8.48 kg, FKM seals for HL fluid.
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 | 85 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 | 8.48 kg |
Application
Stage lifts, under-stage machinery and heavy adjusting axes in event technology and plant engineering use this valve. The build without a pressure reducing valve assumes that pilot conditions are already limited in the circuit. Smaller rated flows in the same series are 25 and 50 l/min.
Manufacturer
Bosch Rexroth, material number R978916358. Characteristic curves, installation dimensions and the port pattern are given in data sheet RE 29115 and in data sheet RE 07600-B.
| Hersteller-Nr | R978916358 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 8.480000 |
| 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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