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Internal supply with an external return keeps the pilot drain unpressurised without demanding a second feed line. The 4WRZ32W8-520-7X passes 520 l/min nominal flow this way with spool symbol W8, up to 350 bar operating pressure and an installed weight of 43.4 kg.
Proportional Directional Valve 4WRZ32W8-520-7X/6EG24N9EK4/D3V - Bosch Rexroth R900948013
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,274.26
Item
BRR-R900948013
Manufacturer no.
R900948013
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900948013
Country of originGermany
ConditionNew
Artikel
BRR-R900948013
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An unpressurised pilot drain protects the pilot stage from back pressure in the tank line, and no second feed line is needed for it. This size 32 version combines internal pilot oil supply with external pilot oil return and provides 520 l/min nominal flow.
Benefits
- Internal pilot oil supply, external pilot oil return through the Y port
- 520 l/min nominal flow, maximum flow 1600 l/min
- Spool symbol W8, four ports, three switching positions
- Integrated pressure reducing valve, operating pressure up to 350 bar
- Subplate mounting to ISO 4401-10-09-0-05, FKM seals, weight 43.4 kg
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 | 520 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 | FKM |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 43.4 kg |
Applications
The valve suits presses and test rigs with strongly varying tank pressure. It is driven by external electronics that handle command scaling and ramps. Supply is 24 VDC through a 3-pole (2 + PE) connector.
Manufacturer
At Bosch Rexroth the valve carries material number R900948013. 2 datasheets record step response, hysteresis and mounting dimensions.
| Hersteller-Nr | R900948013 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 43.400000 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikel-Authentizität | Original product |
| Artikelzustand | New |
| Position sensing | No |
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