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220 l/min nominal flow in size 25 leaves more control travel for smaller cylinders than the 325 step. This 4WRZE with spool symbol E1 works to 350 bar, carries a pressure reducing valve in the pilot circuit and follows a 4...20 mA setpoint.
Proportional Directional Valve 4WRZE25E1-220-7X/6EG24N9EK31/F1D3V - Bosch Rexroth R978911148
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,598.35
Item
BRR-R978911148
Manufacturer no.
R978911148
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R978911148
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R978911148
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Total price
An oversized valve wastes resolution because the working point sits close to mid position. The 4WRZE25E1-220-7X/6EG24N9EK31/F1D3V therefore offers 220 l/min nominal flow instead of 325, while staying in size 25 with operating pressure up to 350 bar.
Benefits
- 220 l/min nominal flow, maximum flow of the size 870 l/min.
- Built-in pressure reducing valve, internal supply, external pilot oil return.
- 4...20 mA command value on 24 VDC, spool symbol E1, 3 switching positions.
- Concealed manual override, FKM seals for higher oil temperatures.
- ISO 4401-08-08-0-05 interface, 20.72 kg, UKCA conformity.
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 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 E1 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.72 kg |
Applications
The smaller nominal step suits cylinders that never call for the full flow of the size. The control range then spreads across the whole signal span, which improves resolution. The valve is used in presses, clamping systems and test rigs.
Manufacturer
Bosch Rexroth, material number R978911148. The type code 4WRZE25E1-220-7X/6EG24N9EK31/F1D3V states size 25, spool symbol E1, 220 l/min nominal flow and a 4...20 mA command value. Further details are given in data sheets RE 29115 and RE 07600-B.
| Hersteller-Nr | R978911148 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.720000 |
| 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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