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Under changing load the pilot pressure should stay constant so that switching time does not drift. The 4WRZ32E520-7X/6EG24N9TK4/D3M draws pilot oil from a separate circuit, limits it through a pressure reducing valve and controls 520 l/min nominal flow.
Proportional Directional Valve 4WRZ32E520-7X/6EG24N9TK4/D3M - Bosch Rexroth R900772200
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,446.45
Item
BRR-R900772200
Manufacturer no.
R900772200
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900772200
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R900772200
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If pilot pressure drifts with the load, starting behaviour and switching time of the axis change from stroke to stroke. The 4WRZ32E520-7X/6EG24N9TK4/D3M takes pilot oil externally and limits it internally through a pressure reducing valve, at 520 l/min nominal flow.
Benefits
- External pilot supply plus pressure reducing valve, pilot pressure stays stable across the whole load range.
- Internal pilot oil return, the tank channel of the subplate is enough for relief.
- 520 l/min nominal flow, up to 1600 l/min throughput at 350 bar maximum operating pressure.
- Spool symbol E, 3 switching positions, 43.99 kg, ISO 4401-10-09-0-05 pattern in size 32.
- Concealed auxiliary actuation, NBR seals, intended for HL hydraulic fluid.
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 E |
| Operating pressure, max. | 350 bar |
| Size | 32 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 43.99 kg |
Applications
The valve serves axes under strongly changing load, such as forging presses, tipping gear and test rigs with load reversal. Because supply and pressure limitation are controlled separately, cycle times stay even across a shift. Signals arrive through a 7-pole (6 + PE) plug to EN 175201-804.
Manufacturer
Bosch Rexroth, material number R900772200. Characteristic curves and switching times are given in data sheet RE 29115.
| Hersteller-Nr | R900772200 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 43.981000 |
| Zolltarifnummer | 84812010 |
| 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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