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Use an existing pilot pump without giving up a free return port: that is what this version is for. Pilot oil arrives from outside and is drained internally, at 350 l/min nominal flow, spool symbol E, plus minus 10 V and up to 350 bar.
Proportional Directional Valve 4WRKE25E350L-3X/6EG24TK31/A1D3M - Bosch Rexroth R900737628
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,802.89
Item
BRR-R900737628
Manufacturer no.
R900737628
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900737628
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900737628
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Total price
Some power units have a pilot pump but no spare drilling for a pilot return. The 4WRKE25E350L-3X/6EG24TK31/A1D3M takes pilot oil from outside and drains it internally into the tank channel, at 350 l/min nominal flow and 350 bar operating pressure.
Key benefits
- External pilot oil supply with internal return, only one additional port has to be provided.
- 350 l/min nominal flow, maximum flow 870 l/min, size 25.
- Spool symbol E, 3 switching positions and 4 ports, connection pattern ISO 4401-08-08-0-05.
- Plus minus 10 V command, 24 VDC supply, electronics integrated in the valve.
- Internal spool position feedback, linear characteristic curve, 17.9 kg weight.
- NBR seals for HL hydraulic fluid, 7-pole connector (6 + PE) to EN 175201-804.
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 ±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 | 25 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 17.9 kg |
Applications
The variant suits rebuilds of existing valve stations where the pilot supply is already piped but another return cannot be fitted. At 350 l/min nominal flow it serves main cylinders on presses and hoists. Pilot pressure stays independent of working pressure because it comes from a circuit of its own.
Manufacturer
Bosch Rexroth, material number R900737628. The type code 4WRKE25E350L-3X/6EG24TK31/A1D3M states size 25, spool symbol E, 350 l/min nominal flow and series 3X.
| Hersteller-Nr | R900737628 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 17.900000 |
| 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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