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Where the tank line carries back pressure, the pilot drain belongs outside. The EK31 version of the 4WRKE10W6-100L takes pilot oil internally and drains it through a line of its own. It meters 100 l/min nominal flow at up to 315 bar operating pressure.
Proportional Directional Valve 4WRKE10W6-100L-3X/6EG24EK31/A1D3V - Bosch Rexroth R901072886
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,296.61
Item
BRR-R901072886
Manufacturer no.
R901072886
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901072886
Country of originGermany
ConditionNew
Artikel
BRR-R901072886
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Back pressure in a shared tank line shifts the working point of the pilot stage. The 4WRKE10W6-100L-3X/6EG24EK31/A1D3V answers that with an internal pilot supply and a dedicated external pilot drain, at 100 l/min nominal flow and 315 bar operating pressure.
Benefits
- External pilot drain, pilot pressure stays clear of back pressure in the tank line
- Internal pilot supply, one feed line fewer on the manifold
- 100 l/min nominal flow with spool symbol W6 in size 10
- 315 bar operating pressure, 170 l/min maximum flow as the upper limit
- ±10 V command value, 24 VDC, 8.39 kg, FKM seals for HL hydraulic fluid
Technical data
| Connection diagram | ISO 4401-05-05-0-05 |
| Max. flow | 170 l/min |
| Product family | 4WRKE |
| Type of connection | Subplate mounting |
| Nominal flow | 100 l/min |
| 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 W6 |
| 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 | 8.39 kg |
Applications
This pilot arrangement is chosen when several pilot-operated valves share one tank line and produce noticeable return pressure there. Presses, plate shears and clamping systems with many axes switching at once are typical cases. The separate drain line carries pilot oil to tank without pressure.
Manufacturer
Bosch Rexroth, material number R901072886, type code 4WRKE10W6-100L-3X/6EG24EK31/A1D3V. The suffix EK31 stands for an internal pilot supply combined with an external pilot drain.
| Hersteller-Nr | R901072886 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 8.381000 |
| 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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