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In electrically noisy plants a current command value is the safer choice. The 4WRKE25R220L accepts 4...20 mA, meters 220 l/min nominal flow and holds 350 bar. Pilot oil is taken internally while the pilot return runs externally, which relieves the pilot circuit when tank back pressure builds up.
Proportional Directional Valve 4WRKE25R220L-3X/6EG24EK31/F1D3M - Bosch Rexroth R901372848
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,043.28
Item
BRR-R901372848
Manufacturer no.
R901372848
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901372848
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901372848
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Long signal runs between the cabinet and the valve manifold distort voltage command values. The 4WRKE25R220L-3X/6EG24EK31/F1D3M therefore works with a 4...20 mA current command, releases 220 l/min nominal flow and closes the position loop internally, so the axis stays on setpoint at 350 bar operating pressure.
Benefits
- 4...20 mA current interface, insensitive to voltage drop over long cable runs
- The 4 mA live zero makes wire break detection possible without extra circuitry
- 220 l/min nominal flow with a maximum flow rating of 870 l/min
- External pilot oil return keeps the pilot circuit independent of tank back pressure
- On-board electronics inside the valve, wired through one connector, 7-pole (6 + PE)
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 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 R |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 17.66 kg |
Applications
The valve fits plants with long cable routes such as steel mills, drawing presses and test fields. The size 25 subplate mounting follows ISO 4401-08-08-0-05. At 17.66 kg it is one of the lighter versions in this size.
Manufacturer
Bosch Rexroth, material number R901372848. The type code 4WRKE25R220L-3X/6EG24EK31/F1D3M defines size, spool symbol, electronics and seal material without ambiguity.
| Hersteller-Nr | R901372848 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 17.660000 |
| Zolltarifnummer | 84812010 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
| Position sensing | No |
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