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A dedicated pilot circuit makes control independent of main pressure. This 4WRKE25W6-220P is supplied and relieved externally, sets 220 l/min nominal flow from ±10 V and allows 350 bar operating pressure. Size 25, weight 17.8 kg.
Proportional Directional Valve 4WRKE25W6-220P-3X/6EG24K31/A1D3M - Bosch Rexroth R900738497
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,473.20
Item
BRR-R900738497
Manufacturer no.
R900738497
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900738497
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900738497
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Both pilot oil paths sit outside the main circuit here, supply as well as return. Pilot control therefore works independently of system pressure while 220 l/min nominal flow is set from a ±10 V command value.
Advantages
- External pilot oil supply and external return, separate pilot circuit
- Nominal flow 220 l/min, maximum flow up to 870 l/min
- Command value ±10 V, 24 VDC supply on a 7-pole connector to EN 175201-804
- Symbol W6 with open centre, three switching positions
- Linear characteristic curve with fine control range, operating pressure up to 350 bar
- Connection diagram ISO 4401-08-08-0-05, 17.8 kg, NBR seals for HL hydraulic fluid
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 ±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. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 17.8 kg |
Applications
Suited to systems with accumulator charging or a pressure-controlled pump whose main pressure occasionally falls below the minimum pilot pressure. A small auxiliary unit then handles pilot supply. Symbol W6 relieves cylinder and lines at standstill.
Manufacturer
Bosch Rexroth, material number R900738497. The article carries type designation 4WRKE25W6-220P-3X/6EG24K31/A1D3M.
| Hersteller-Nr | R900738497 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 17.800000 |
| Zolltarifnummer | 84812010 |
| 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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