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Standard analogue cards put out ±10 V, not current. This build accepts exactly that voltage signal and meters 325 l/min nominal flow in size 25 with it. External pilot oil supply with internal return, operating pressure up to 350 bar.
Proportional Directional Valve 4WRZE25W8-325-7X/6EG24N9TK31/A1D3V - Bosch Rexroth R900974150
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,598.35
Item
BRR-R900974150
Manufacturer no.
R900974150
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900974150
Country of originGermany
ConditionNew
Artikel
BRR-R900974150
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Where the machine controller already offers a voltage interface, a valve with a ±10 V command saves the detour through a converter. This size 25 variant works at 325 l/min nominal flow, draws its pilot oil externally and returns it internally.
Benefits
- ±10 V command value, directly compatible with common analogue outputs of the controller.
- Nominal flow 325 l/min, flow through the valve up to 870 l/min.
- External pilot oil supply, independent of pressure dips in the main circuit up to 350 bar.
- Spool symbol W8, connection diagram ISO 4401-08-08-0-05, 4 ports and 3 switching positions.
- On-board electronics at 24 VDC, 7-pole connector (6 + PE) to EN 175201-804, weight 20.72 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 | 325 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 | 20.72 kg |
Applications
The variant goes into presses and test benches whose control cards work with a voltage command. Because pilot oil comes from outside, the valve stays controllable even when switching from rapid traverse to pressing force. Cable length to the valve should be kept short with a voltage command.
Manufacturer
Bosch Rexroth, material number R900974150. Product family 4WRZ(E), concealed manual override, FKM seals, HL hydraulic fluid. Further details are given in data sheets RE 29115 and RE 07600-B.
| Hersteller-Nr | R900974150 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.720000 |
| 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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