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Long signal runs outdoors do not tolerate a sensitive voltage command. This version of the size 32 valve works on 4 to 20 mA and controls 360 l/min nominal flow at 350 bar. The pilot stage is supplied and relieved externally, spool symbol W8.
Proportional Directional Valve 4WRZE32W8-360-7X/6EG24N9K31/F1M - Bosch Rexroth R901072128
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,912.73
Item
BRR-R901072128
Manufacturer no.
R901072128
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Original product
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Product data
Manufacturer no.R901072128
Country of originGermany
ConditionNew
Artikel
BRR-R901072128
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On outdoor plants there are often dozens of metres of cable between the control cabinet and the valve block. This size 32 variant therefore relies on a 4 to 20 mA current command and controls 360 l/min nominal flow at up to 350 bar.
Key benefits
- Current command value 4 to 20 mA, so cable length and voltage drop leave the setpoint untouched
- 360 l/min nominal flow, size 32 body rated to 1600 l/min
- External pilot oil supply and external return, independent of working pressure up to 350 bar
- Spool symbol W8, 3 switching positions, 4 ports, mounting pattern ISO 4401-10-09-0-05
- 24 V DC supply, 7-pole connector (6 + PE), weight 43.9 kg
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 | 360 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 | 43.9 kg |
Applications
Intended for water engineering, lock gates and other outdoor plants with long cable routes. It also makes sense in rolling mills with heavy electrical interference. The external pilot circuit has to be live before the axis is released.
Manufacturer
The manufacturer is Bosch Rexroth, material number R901072128. Characteristic curves and installation dimensions are given in datasheet RE 29115, the series overview in document RE 07600-B.
| Hersteller-Nr | R901072128 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 43.900000 |
| 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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