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A forming cylinder drawing 325 l/min needs a valve that releases this volume under position control. This build does so at 350 bar, takes pilot oil internally, returns it externally, following a voltage command of plus to minus 10 V.
Proportional Directional Valve 4WRZE25W6-325-7X/6EG24N9EK31/A1V - Bosch Rexroth R900971938
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,052.46
Item
BRR-R900971938
Manufacturer no.
R900971938
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900971938
Country of originGermany
ConditionNew
Artikel
BRR-R900971938
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At 325 l/min nominal flow with an 870 l/min limit, this valve covers the upper performance range of size 25. Spool position is fed back internally and corrected by the mounted electronics, operating pressure may reach 350 bar.
Benefits
- 325 l/min nominal flow, 870 l/min flow limit, operating pressure to 350 bar
- Internal pilot supply with external drain, insensitive to back pressure in the tank gallery
- Analog command plus to minus 10 V, 24 VDC supply through a connector, 7-pole (6 + PE)
- Spool symbol W6, 3 switching positions, concealed manual override
- FKM seals for HL fluid, UKCA to SI2016/1091, mass of 20.18 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 description | Connector 7-pole (6 + PE) according to EN 175201-804 |
| Spool symbol | Symbol W6 |
| 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
Forming lines, sheet metal presses as well as lifting gear with large piston areas make use of this flow. The voltage interface matches most axis controllers plus motion controls. For service work the concealed override stays reachable under its cover.
Manufacturer
At Bosch Rexroth the build carries material number R900971938. Curves as well as performance limit diagrams are printed in data sheet RE 29115.
| Weight | 20.180000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900971938 |
| 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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