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In the injection as well as holding profile of a moulding machine, repeatability is what counts. This position-controlled 4WRZE 25 delivers 220 l/min at 350 bar, follows a command of plus to minus 10 V, working with internal pilot supply.
Proportional Directional Valve 4WRZE25W6-220-7X/6EG24N9EK31/A1V - Bosch Rexroth R900959830
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,052.46
Item
BRR-R900959830
Manufacturer no.
R900959830
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900959830
Country of originGermany
ConditionNew
Artikel
BRR-R900959830
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An internal transducer reports spool position, so the motion tracks the plus to minus 10 V command profile closely. The valve releases 220 l/min nominal flow at 350 bar operating pressure, with a flow limit of 870 l/min.
Benefits
- Position-controlled main spool with internal feedback for repeatable profiles
- 220 l/min nominal flow, 870 l/min flow limit at 350 bar
- Analog voltage command plus to minus 10 V, 24 VDC supply
- Internal pilot oil supply, external pilot drain, spool symbol W6
- FKM seals for HL fluid, UKCA to SI2016/1091, mass 20.4 kg
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 ±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 W6 |
| 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 | 20.4 kg |
Applications
Injection moulding machines, die casting plants as well as indexing presses call for exactly this mix of volume plus control quality. The electronics sit on the valve, an amplifier in the cabinet becomes unnecessary. A concealed manual override moves the axis during commissioning without power.
Manufacturer
At Bosch Rexroth the valve carries material number R900959830. Curves plus performance limits are documented in data sheet RE 29115.
| Weight | 20.400000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900959830 |
| 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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