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The pilot stage is the part of a large directional valve most sensitive to contamination. This build takes its oil from a separate circuit that can be filtered on its own. Spool symbol E1, 220 l/min nominal flow, ±10 V command value, up to 350 bar.
Proportional Directional Valve 4WRZE25E1-220-7X/6EG24N9K31/A1D3V - Bosch Rexroth R900930164
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,035.46
Item
BRR-R900930164
Manufacturer no.
R900930164
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900930164
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900930164
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Fine control edges react more sensitively to particles than the large main spool does. Anyone who wants to hang the pilot stage on its own finely filtered circuit takes this build with external supply and external return, 220 l/min nominal flow and spool symbol E1.
Benefits
- Fully external pilot circuit, so its own filtration rating can be chosen for the sensitive pilot stage.
- Spool symbol E1, 3 switching positions, 4 ports, ISO 4401-08-08-0-05.
- Nominal flow 220 l/min, flow up to 870 l/min, operating pressure up to 350 bar.
- ±10 V command value, 24 VDC supply through a 7-pole connector (6 + PE) to EN 175201-804.
- Weight 20.86 kg, FKM seals, HL hydraulic fluid.
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 | 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 | 20.86 kg |
Applications
The variant has proved itself in foundry and rolling mill hydraulics, where the main circuit gets dirtier than the pilot circuit. Pilot oil supply is usually built with a dedicated fine filter. The return runs pressureless to tank.
Manufacturer
Bosch Rexroth, material number R900930164. Product family 4WRZ(E) in size 25, concealed manual override, UKCA conformity to SI2016/1091. Further details are given in data sheets RE 29115 and RE 07600-B.
| Hersteller-Nr | R900930164 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 3.580000 |
| Zolltarifnummer | 84812010 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
| Position sensing | No |
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