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When the working circuit is permanently pressurised, the pilot stage can draw its oil from there. The 4WRZ10E1-85-7X/6EG24ETK4/D3M does exactly that, runs fully internally and meters 85 l/min nominal flow at up to 315 bar. Weight 8.2 kg.
Proportional Directional Valve 4WRZ10E1-85-7X/6EG24ETK4/D3M - Bosch Rexroth R901021450
BOSCH REXROTH
Original product
Net price (excl. VAT)
€2,683.21
Item
BRR-R901021450
Manufacturer no.
R901021450
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901021450
Country of originGermany
ConditionNew
Artikel
BRR-R901021450
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A proportional valve with internal pilot routing saves two ports on the manifold along with their lines. The 4WRZ10E1-85-7X/6EG24ETK4/D3M is built that way and meters a nominal flow of 85 l/min in size 10.
Benefits
- Internal pilot oil supply and internal return, no external pilot lines needed
- 85 l/min nominal flow within a flow range reaching 170 l/min
- Integrated pressure reducing valve keeps pilot pressure inside its permitted band
- Spool symbol E1, 3 switching positions, 4 ports, 315 bar
- 24 VDC through external electronics, 7-pole (6 + PE) connector to EN 175201-804
- 8.2 kg in the ISO 4401-05-05-0-05 interface, NBR seals
Technical data
| 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 |
| Supply voltage | 24 VDC |
| 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 E1 |
| Operating pressure, max. | 315 bar |
| Size | 10 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 8.2 kg |
Applications
This variant appears in plastics machinery and presses whose system pressure is not switched off during the cycle. Because pilot oil comes from the working circuit, sufficient pressure has to be present while metering. The electronics are sourced separately and matched to the axis.
Manufacturer
Bosch Rexroth carries material number R901021450. Minimum pressures, curves and the matching amplifier electronics are named in data sheet RE 29115, supplemented by RE 07600-B.
| Hersteller-Nr | R901021450 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 8.200000 |
| 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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