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In a regenerative circuit the return line carries pressure too, and working pressure drops below the pilot demand at times. The 4WRZ25W8-325-7X/6EG24N9K4/M is therefore connected externally. 325 l/min nominal flow, 20.2 kg weight.
Proportional Directional Valve 4WRZ25W8-325-7X/6EG24N9K4/M - Bosch Rexroth R900713034
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,056.53
Item
BRR-R900713034
Manufacturer no.
R900713034
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900713034
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900713034
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Total price
When the return line is pressurised at times and working pressure falls far, neither channel is fit for pilot control. The 4WRZ25W8-325-7X/6EG24N9K4/M solves that with external supply and external return and controls 325 l/min nominal flow.
Benefits
- External supply through X, pilot pressure is kept even at low working pressure.
- External return through Y, pressure in the working return does not reach pilot control.
- 325 l/min nominal flow, flow up to 870 l/min, spool symbol W8 in size 25.
- 20.2 kg weight, 350 bar maximum operating pressure, ISO 4401-08-08-0-05 pattern.
- Concealed auxiliary actuation, commanded at 24 VDC through an external amplifier.
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 325 l/min |
| Supply voltage | 24 VDC |
| 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 W8 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 20.2 kg |
Applications
Regenerative circuits occur on presses and cylinder drives where return oil is fed back to the piston side. The pilot circuit stays completely separate and is supplied on its own. The axis itself is controlled through external electronics.
Manufacturer
Bosch Rexroth, material number R900713034. Requirements for supply pressure and the Y line are given in data sheet RE 29115, supplemented by RE 07600-B.
| Hersteller-Nr | R900713034 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.200000 |
| 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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