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Where a dedicated pilot pump supplies several manifolds, both pilot paths belong outside. The K31 version of the 4WRKE16E220L is built that way and meters 220 l/min nominal flow at 350 bar. It accepts the command value as a ±10 V voltage.
Proportional Directional Valve 4WRKE16E220L-3X/6EG24K31/A1D3M - Bosch Rexroth R901536524
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,294.91
Item
BRR-R901536524
Manufacturer no.
R901536524
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901536524
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901536524
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When a dedicated pilot pump feeds several valve blocks, pilot pressure stays constant across the plant. The 4WRKE16E220L-3X/6EG24K31/A1D3M is arranged for that with external pilot supply and external pilot drain and passes 220 l/min nominal flow at up to 350 bar.
Benefits
- External pilot supply and drain, constant pilot pressure from a central source
- 220 l/min nominal flow, up to 460 l/min maximum flow in size 16
- Internal spool position feedback, the on-board electronics close the loop without an external amplifier
- ±10 V command value at 24 VDC through a 7-pole (6 + PE) plug to EN 175201-804
- 350 bar, 10.98 kg, NBR seals, spool symbol E
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 ±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 E |
| Operating pressure, max. | 350 bar |
| Size | 16 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 10.98 kg |
Applications
The valve goes into press lines and test installations whose pilot stage runs on a separate circuit with filtration and cooling. Clean pilot oil noticeably extends the service life of the pilot stage. Mechanically the valve matches the versions with internal pilot routing.
Manufacturer
Bosch Rexroth, material number R901536524, type code 4WRKE16E220L-3X/6EG24K31/A1D3M. The suffix K31 separates this valve from the otherwise identical EK31, TK31 and ETK31 versions.
| Weight | 10.980000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901536524 |
| 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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