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When an axis runs with symbol E1, the centre position determines the behaviour if the signal fails. The 4WRZ25E1-220-7X/6EG24N9EK4/D3M combines that symbol with 220 l/min nominal flow, internal pilot oil supply and external return.
Proportional Directional Valve 4WRZ25E1-220-7X/6EG24N9EK4/D3M - Bosch Rexroth R900776398
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,287.35
Item
BRR-R900776398
Manufacturer no.
R900776398
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Brand new
Specialist dealer since 2009
Original product
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Product data
Manufacturer no.R900776398
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900776398
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The 4WRZ25E1-220-7X/6EG24N9EK4/D3M is a pilot-operated proportional directional valve in size 25 with spool symbol E1. Nominal flow is 220 l/min, maximum flow is 870 l/min and weight is 20.46 kg.
Benefits
- Spool symbol E1, 3 switching positions, 4 ports, permissible operating pressure 350 bar.
- Nominal flow 220 l/min at a limit flow of 870 l/min.
- Internal pilot oil supply, external return, pilot stage stays free of back pressure.
- External electronics, controlled through a 7-pole connector (6 plus PE) to EN 175201-804.
- 20.46 kg, NBR seals, connection diagram ISO 4401-08-08-0-05.
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 220 l/min |
| Supply voltage | 24 VDC |
| 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 E1 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 20.46 kg |
Applications
The valve is used on axes whose rest position has to be defined in the de-energised state. Symbol E1 specifies how the ports are connected in the centre position. The amplifier electronics sit outside and can be replaced independently of the valve.
Manufacturer
The manufacturer is Bosch Rexroth, material number R900776398, product family 4WRZ(E). Characteristic curves, symbols and limit performance are in data sheet RE 29115, RE 07600-B provides the range overview.
| Hersteller-Nr | R900776398 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.460000 |
| 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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