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In rolling stands the load changes every second and pilot pressure must not notice it. The 4WRZ32W8-360-7X/6EG24N9K4/D3M is piloted externally through X and Y and carries a 360 l/min nominal flow in size 32 at up to 350 bar.
Proportional Directional Valve 4WRZ32W8-360-7X/6EG24N9K4/D3M - Bosch Rexroth R901025720
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,341.49
Item
BRR-R901025720
Manufacturer no.
R901025720
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901025720
Country of originGermany
ConditionNew
Artikel
BRR-R901025720
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A rolling stand loads the hydraulics in bursts and pressure falls away in between. The 4WRZ32W8-360-7X/6EG24N9K4/D3M answers that with external pilot oil supply and external return at a 360 l/min nominal flow in size 32.
Advantages
- External pilot oil supply and external return, independent of the main circuit load cycle.
- Nominal flow of 360 l/min, up to 1600 l/min total flow.
- Pressure reducing valve in the pilot stage limits pilot pressure to a fixed level.
- Spool symbol W8, three switching positions, four ports, ISO 4401-10-09-0-05.
- Concealed manual override, operating pressure up to 350 bar.
- Weight of 43.4 kg, NBR seals, external amplifier electronics on 24 VDC.
Technical data
| Connection diagram | ISO 4401-10-09-0-05 |
| Max. flow | 1600 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 360 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 | 32 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 43.4 kg |
Applications
It is used on screw-down and bending cylinders in rolling mills and on large forming plants. Separate piloting preserves the operating point when main pressure collapses in bursts. The manifold has to provide ports X and Y.
Manufacturer
Bosch Rexroth, material number R901025720. Product family 4WRZ(E). Further details are given in data sheet RE 29115 on the pilot-operated proportional directional valve and in the overview RE 07600-B.
| Hersteller-Nr | R901025720 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 43.400000 |
| 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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