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Web tension in paper and film lines must not fluctuate. The 4WRKE10W8-50L-3X/6EG24EK31/A1D3M controls 50 l/min nominal flow at up to 315 bar, accepts a ±10 V command and keeps the pilot drain separated from the main circuit.
Proportional Directional Valve 4WRKE10W8-50L-3X/6EG24EK31/A1D3M - Bosch Rexroth R901072595
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,096.42
Item
BRR-R901072595
Manufacturer no.
R901072595
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901072595
Country of originGermany
ConditionNew
Artikel
BRR-R901072595
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Constant web tension only comes about when the cylinder follows even a very small command change. The 4WRKE10W8-50L-3X/6EG24EK31/A1D3M achieves that through internal position feedback and 50 l/min nominal flow.
Benefits
- ±10 V command with a linear characteristic curve and fine resolution around zero.
- 50 l/min nominal flow, up to 170 l/min in size 10.
- Pilot oil supplied internally, drained externally, the pilot return stays unpressurised.
- 315 bar maximum operating pressure, spool symbol W8, ISO 4401-05-05-0-05 pattern.
- 8.43 kg, on-board electronics at 24 VDC, 7-pole (6 + PE) plug.
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 | 50 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 W8 |
| Operating pressure, max. | 315 bar |
| Size | 10 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 8.43 kg |
Applications
The valve is used on dancer rolls, winding stations and strip tensioning cylinders in paper, film and metal strip lines. The separate Y drain keeps the pilot stage free of pressure surges from the machine. The command comes from an existing analog card.
Manufacturer
Bosch Rexroth, material number R901072595. The type code 4WRKE10W8-50L-3X/6EG24EK31/A1D3M states spool symbol W8, 50 l/min nominal flow, internal pilot pick-up and external return.
| Hersteller-Nr | R901072595 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 8.421000 |
| 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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