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In plants with a dedicated control oil pump the pilot stage is fed and returned externally. This valve is built that way, carries 220 l/min nominal flow and withstands up to 350 bar. Spool symbol W8, command value 4...20 mA, 10.98 kg.
Proportional Directional Valve 4WRKE16W8-220L-3X/6EG24K31/F1D3V - Bosch Rexroth R901517621
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,955.44
Item
BRR-R901517621
Manufacturer no.
R901517621
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901517621
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901517621
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Where a dedicated control oil supply exists, the main valve should make use of it. The 4WRKE16W8-220L-3X/6EG24K31/F1D3V is designed for external pilot oil supply and external return and carries 220 l/min nominal flow at up to 350 bar.
Advantages
- External pilot oil supply and external pilot oil return
- 220 l/min nominal flow, maximum flow 460 l/min
- Spool symbol W8, linear characteristic curve, three switching positions
- Command value 4...20 mA, on-board electronics with internal spool position feedback
- Maximum operating pressure 350 bar, FKM seals for HL
- 24 VDC, interface ISO 4401-07-07-0-05, 10.98 kg
Technical data
| Connection diagram | ISO 4401-07-07-0-05 |
| Max. flow | 460 l/min |
| Product family | 4WRKE |
| Type of connection | Subplate mounting |
| Nominal flow | 220 l/min |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value 4...20 mA |
| 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. | 350 bar |
| Size | 16 |
| Seals | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 10.98 kg |
Applications
Valves of this kind sit in large hydraulic systems where a small pump feeds the control circuit. The separate supply keeps switching times independent of load pressure. A connector 7-pole (6 + PE) according to EN 175201-804 is enough for wiring.
Manufacturer
Bosch Rexroth, material number R901517621. All values shown here are taken from the manufacturer product data.
| Weight | 10.980000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901517621 |
| Zolltarifnummer | 84812010 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikelzustand | New |
| Artikel-Authentizität | Original product |
| Country of Manufacture | Germany |
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