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High flow rate without extra pilot lines: this valve feeds and drains pilot oil internally and meters 350 l/min nominal flow from a 4...20 mA current command value. Operating pressure may reach 350 bar and the weight is 17.6 kg.
Proportional Directional Valve 4WRKE25W8-350L-3X/6EG24ETK31/F1D3M - Bosch Rexroth R900743953
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,034.37
Item
BRR-R900743953
Manufacturer no.
R900743953
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900743953
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900743953
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A rapid stroke of 350 l/min has to be controlled without additional piping. In version ETK the 4WRKE25W8-350L-3X takes pilot oil internally and returns it internally, while the command value reaches the on-board electronics as a 4...20 mA current signal. Operating pressure may reach 350 bar.
Benefits
- Internal pilot oil supply and internal pilot oil return, no X or Y line
- 350 l/min nominal flow, flow rate up to 870 l/min
- 4...20 mA current command value, 24 V DC supply
- Spool symbol W8, three switching positions, four ports
- 17.6 kg weight, operating pressure up to 350 bar, NBR seals
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 | 350 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 | 25 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 17.6 kg |
Applications
The valve is installed on control manifolds of presses, forging plants and lifting gear. Because pilot stage and main stage share one circuit, the piping stays simple. For that the tank line should remain largely free of pressure.
Manufacturer
Bosch Rexroth, material number R900743953. The type code 4WRKE25W8-350L-3X/6EG24ETK31/F1D3M defines size, spool symbol, pilot oil routing and command value type without ambiguity.
| Hersteller-Nr | R900743953 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 17.600000 |
| 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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