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Feed pilot oil from outside, drain it internally: this 4WRZE32 variant runs external pilot oil supply with internal pilot oil return. Nominal flow is 520 l/min at up to 350 bar, spool symbol E1, ±10 V command value into the on-board electronics.
Proportional Directional Valve 4WRZE32E1-520-7X/6EG24N9TK31/A1V - Bosch Rexroth R978018837
BOSCH REXROTH
Original product
Net price (excl. VAT)
€7,604.00
Item
BRR-R978018837
Manufacturer no.
R978018837
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R978018837
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R978018837
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Total price
Some circuits supply pilot oil from a separate source but do not need a dedicated drain line. That is the case the 4WRZE32E1-520-7X/6EG24N9TK31/A1V is built for: external pilot oil supply, internal pilot oil return, 520 l/min nominal flow in size 32 and 350 bar operating pressure.
Benefits
- External pilot oil supply with internal pilot oil return saves one line while keeping the pilot stage independent of main pressure.
- Spool symbol E1, three switching positions, four ports, ISO 4401-10-09-0-05 mounting pattern.
- 520 l/min nominal flow and up to 1600 l/min maximum at 350 bar operating pressure.
- On-board electronics, ±10 V command value, 24 VDC supply, 7-pole connector (6 + PE) to EN 175201-804.
- FKM seals, HL hydraulic fluid, concealed manual override, weight 44 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 ±10 V |
| 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 | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 44 kg |
Applications
The variant suits machines with a central pilot supply and an unloaded tank line, such as presses, test benches and forming equipment. Subplate mounting to ISO 4401-10-09-0-05 lets you swap it against other valves of the same series without reworking the manifold.
Manufacturer
Bosch Rexroth lists this valve under material number R978018837. Characteristic curves and installation dimensions are given in data sheet RE 29115, RE 07600-B.
| Hersteller-Nr | R978018837 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 44.000000 |
| Zolltarifnummer | 84812010 |
| 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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