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A dedicated pilot pump holds control pressure steady, independent of the working pressure of the plant. The 4WRZ32E1-520-7X/6EG24N9TK4/M is built for that, draws pilot oil externally and controls 520 l/min nominal flow at 350 bar.
Proportional Directional Valve 4WRZ32E1-520-7X/6EG24N9TK4/M - Bosch Rexroth R901019949
BOSCH REXROTH
Original product
Net price (excl. VAT)
€5,496.27
Item
BRR-R901019949
Manufacturer no.
R901019949
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901019949
Country of originGermany
ConditionNew
Artikel
BRR-R901019949
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In plants running their own pilot supply the main valve should use that circuit instead of depending on working pressure. The 4WRZ32E1-520-7X/6EG24N9TK4/M takes pilot oil externally, returns it internally and provides 520 l/min nominal flow.
Benefits
- External pilot oil supply from a separate circuit, pilot pressure stays independent of the load pressure on the axis.
- Internal pilot oil return, the existing tank channel is enough for relief.
- 520 l/min nominal flow, throughput up to 1600 l/min in size 32.
- Spool symbol E1, 350 bar maximum operating pressure, subplate mounting to ISO 4401-10-09-0-05.
- 43.6 kg weight, NBR seals, laid out for HL hydraulic fluid in continuous duty.
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 E1 |
| Operating pressure, max. | 350 bar |
| Size | 32 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | Electrical with external electronics |
| Weight | 43.6 kg |
Applications
Typical plants are large presses and test rigs with a separate pilot circuit feeding several pilot-operated valves together. External supply keeps switching capability even when the working circuit briefly loses pressure. Command and supply run through a 7-pole (6 + PE) plug.
Manufacturer
Bosch Rexroth, material number R901019949. Pilot oil demand and characteristic curves are given in data sheet RE 29115.
| Hersteller-Nr | R901019949 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 43.600000 |
| 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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