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In electrically noisy surroundings a current loop carries the command value without loss. This valve runs on 4 to 20 mA with separately routed pilot oil, supply and return both outside. It delivers 520 l/min nominal flow at 350 bar and weighs 43.98 kg.
Proportional Directional Valve 4WRZE32W8-520-7X/6EG24N9K31/F1D3M - Bosch Rexroth R901055378
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,425.29
Item
BRR-R901055378
Manufacturer no.
R901055378
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901055378
Country of originGermany
ConditionNew
Artikel
BRR-R901055378
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Frequency converters and welding lines disturb voltage signals, so this version relies on a 4 to 20 mA current loop to set 520 l/min nominal flow.
Key benefits
- 4 to 20 mA current loop carries the command value intact even alongside power cables.
- External pilot oil supply and external pilot oil return, so the pilot circuit can be measured and protected on its own.
- 520 l/min nominal flow at a permissible maximum flow of 1600 l/min.
- Spool symbol W8, 3 switching positions, 4 ports, interface ISO 4401-10-09-0-05.
- 43.98 kg installed mass, integrated pressure reducing valve, operating pressure to 350 bar.
Technical data
| Conformity description | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| 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 |
| Conformity | UKCA |
| Supply voltage | 24 VDC |
| Connectivity | Analog, command value 4...20 mA |
| 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, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 43.98 kg |
Applications
Steel plants, welding lines and installations packed with frequency converters are typical, wherever analog signals suffer. Fully external pilot oil routing also makes diagnosis on the pilot circuit easier. The valve runs on HL fluid with NBR seals.
Manufacturer
Bosch Rexroth, material number R901055378, product family 4WRZ(E). Signal assignment and characteristic curves are in data sheet RE 29115, RE 07600-B holds the general information on hydraulic valves.
| Hersteller-Nr | R901055378 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 3.580000 |
| 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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