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A paper machine runs for weeks, so any control deviation shows on the web. This size 25 valve holds 325 l/min nominal flow at 350 bar, ±10 V command value, internal pilot oil supply combined with external return.
Proportional Directional Valve 4WRZE25W8-325-7X/6EG24N9EK31/A1V - Bosch Rexroth R900966562
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,344.45
Item
BRR-R900966562
Manufacturer no.
R900966562
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900966562
Country of originGermany
ConditionNew
Artikel
BRR-R900966562
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In continuous duty, consistency decides product quality. This pilot-operated proportional directional valve in size 25 works at 325 l/min nominal flow with 350 bar, discharging pilot oil externally at zero pressure so return pressure cannot travel into the pilot stage.
Advantages
- 325 l/min nominal flow at 350 bar operating pressure, headroom to 870 l/min.
- External pilot oil return shields the pilot stage from surges in the tank gallery.
- ±10 V command value with on-board electronics leaves no amplifier in the cabinet.
- FKM seals for permanently warm running conditions, 20.18 kg.
- Concealed auxiliary actuation for maintenance as well as setup.
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 description | 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 | 20.18 kg |
Applications
Intended for paper machines, film lines, calenders, winders in steady continuous duty. Web tension control on long operating cycles benefits from the separated return path too.
Manufacturer
Bosch Rexroth, material number R900966562. Genuine manufacturer part, not a replica. Every figure follows data sheets RE 29115 and RE 07600-B. Refer to the data sheet for characteristic curves and mounting dimensions.
| Weight | 20.180000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900966562 |
| 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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