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Anyone fitting an axis with spool symbol W8 gets 350 l/min nominal flow at size 25 and up to 350 bar operating pressure here. Pilot oil enters through X and returns through Y, while the on-board electronics follow a ±10 V command value. The valve weighs 18.95 kg.
Proportional Directional Valve 4WRLE25W8-350LJ-4X/MXY/24A1 - Bosch Rexroth R901404810
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,250.32
Item
BRR-R901404810
Manufacturer no.
R901404810
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901404810
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901404810
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Spool symbol W8 defines how the 4 ports are linked in the 3 switching positions. The 4WRLE25W8-350LJ-4X/MXY/24A1 proportional directional valve carries that symbol at size 25 and meters 350 l/min nominal flow at up to 350 bar operating pressure.
Benefits
- 350 l/min nominal flow - flow up to 1250 l/min, installed weight 18.95 kg.
- Spool symbol W8 - 3 switching positions across 4 ports, internal spool position feedback for a linear characteristic.
- Pilot oil external through X and Y - pilot control stays independent of working and tank pressure.
- ±10 V command value on the on-board electronics - 24 VDC supply, 7-pole connector (6 + PE) to EN 175201-804.
- Maximum operating pressure 350 bar - subplate mounting ISO 4401-08-08-0-05, NBR seals for HL hydraulic fluid, CE conformity.
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 1250 l/min |
| Product family | 4WRLE |
| Type of connection | Subplate mounting |
| Nominal flow | 350 l/min |
| Conformity | CE |
| 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 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 | 18.95 kg |
Applications
The valve is intended for main axes on test rigs, presses and special purpose machines with their own pilot oil supply. A separate pilot circuit keeps actuating time constant even when working pressure varies over the cycle. The ±10 V voltage command connects to existing analog cards without a signal converter.
Manufacturer
Made by Bosch Rexroth, material number R901404810, type designation 4WRLE25W8-350LJ-4X/MXY/24A1. Conformity is stated as CE and the seals are NBR.
| Weight | 18.950000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R901404810 |
| 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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