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In manifolds without drilled control-oil galleries, only the internally piloted build remains an option. This variant supplies itself, meters 220 l/min nominal flow and follows a ±10 V voltage command. Spool symbol W8, operating pressure up to 350 bar.
Proportional Directional Valve 4WRZE25W8-220-7X/6EG24N9ETK31/A1D3V - Bosch Rexroth R900711370
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,598.35
Item
BRR-R900711370
Manufacturer no.
R900711370
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900711370
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900711370
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Many existing manifolds have no galleries for external pilot oil, and drilling them afterwards is out of the question. This size 25 valve therefore takes and returns its pilot oil internally, meters 220 l/min nominal flow and works with the widespread ±10 V command range.
Benefits
- Internal piloting, so no extra gallery is required in the manifold.
- 220 l/min nominal flow in size 25, flow up to 870 l/min.
- ±10 V command value, 24 VDC supply, spool symbol W8 with 3 switching positions.
- Operating pressure up to 350 bar, 4 ports to ISO 4401-08-08-0-05.
- Weight 20.64 kg, FKM seals, UKCA conformity to SI2016/1091.
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 W8 |
| 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 | 20.64 kg |
Applications
The variant makes sense when proportional control is retrofitted into plants that previously had switching valves only. The existing subplate can normally be kept. It does require a main circuit with permanent pressure for the control-oil take-off.
Manufacturer
Bosch Rexroth, material number R900711370. Pilot-operated proportional directional valve of the 4WRZ(E) product family with on-board electronics. Further details are given in data sheets RE 29115 and RE 07600-B.
| Hersteller-Nr | R900711370 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.640000 |
| 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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