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When a cylinder has to travel smoothly at 220 l/min, this pilot-operated proportional directional valve in size 25 sets direction and flow in one unit. On-board electronics process the plus/minus 10 V command value at the valve, operating pressure reaches 350 bar.
Proportional Directional Valve 4WRZE25E220-7X/6EG24K31/A1M - Bosch Rexroth R900954671
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,505.46
Item
BRR-R900954671
Manufacturer no.
R900954671
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Brand new
Specialist dealer since 2009
Original product
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Product data
Manufacturer no.R900954671
Country of originGermany
ConditionNew
Artikel
BRR-R900954671
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A drive rated at 220 l/min nominal flow needs a stage that sets direction and flow at the same time. The 4WRZE25E220-7X with spool symbol E covers up to 870 l/min peak flow, works up to 350 bar operating pressure and does without a built-in pressure reducing stage.
Benefits
- 220 l/min nominal flow at 350 bar drives large cylinders without an extra stage
- Peak flow up to 870 l/min leaves headroom for fast traverse movements
- On-board electronics handle the plus/minus 10 V command value without a separate amplifier card
- Subplate mounting to ISO 4401-08-08-0-05 keeps the size 25 hole pattern
- External pilot oil supply and external pilot oil return separate the pilot stage from the main circuit
- NBR seals and 24 V DC through a connector, 7-pole (6 + PE) according to EN 175201-804
Technical data
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| 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 |
| Conformity | UKCA |
| Supply voltage | 24 V DC |
| 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 | 20.18 kg |
Applications
Typical duty covers presses, injection moulding machines and test rigs where a large cylinder is positioned independently of load. The external pilot oil supply suits circuits whose main pressure varies widely. Hydraulic fluid HL and NBR seals match standard mineral oil operation.
Manufacturer
Bosch Rexroth, material number R900954671, product family 4WRZ(E), conformity UKCA. Take all rated values and characteristic curves from the matching data sheet.
| Hersteller-Nr | R900954671 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.180000 |
| 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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