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When the pilot stage is fed from a dedicated pilot pressure circuit but the pilot oil may drain internally, one return line is saved. That is exactly how this variant is built, together with spool symbol W8 and a 4 to 20 mA current command. Nominal flow is 520 l/min at 350 bar.
Proportional Directional Valve 4WRZE32W8-520-7X/6EG24N9TK31/F1M - Bosch Rexroth R901018110
BOSCH REXROTH
Original product
Net price (excl. VAT)
€6,912.73
Item
BRR-R901018110
Manufacturer no.
R901018110
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Brand new
Specialist dealer since 2009
Original product
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Product data
Manufacturer no.R901018110
Country of originGermany
ConditionNew
Artikel
BRR-R901018110
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External supply with internal drain is the combination for plants that have a pilot pressure unit and a short path to tank. This size 32 valve is built that way and controls 520 l/min nominal flow at up to 350 bar.
Key benefits
- External pilot oil supply from the pilot pressure circuit, internal pilot oil return through the tank port
- Current command value 4 to 20 mA, resistant to electrical interference nearby
- 520 l/min nominal flow, with flow up to 1600 l/min in size 32
- Operating pressure up to 350 bar, 4 ports, 3 switching positions, spool symbol W8
- 24 V DC supply, 7-pole connector (6 + PE) to EN 175201-804, 43.6 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 | 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 | 43.6 kg |
Applications
Suited to power units where pilot pressure is generated centrally and distributed. The internal drain shortens the pipework but calls for a tank port with low back pressure. Through the external pilot circuit the valve can also be tested while the working circuit is unpressurised.
Manufacturer
Genuine Bosch Rexroth part, material number R901018110. Characteristic curves and installation dimensions are given in datasheet RE 29115, the series overview in document RE 07600-B.
| Hersteller-Nr | R901018110 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 43.600000 |
| 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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