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Feed pilot oil from outside but return it internally to tank, and the manifold saves one line. This 4WRZE25 with spool symbol E works at 220 l/min nominal flow and 350 bar and accepts a 4...20 mA current command. The electronics sit directly on the valve.
Proportional Directional Valve 4WRZE25E220-7X/6EG24N9TK31/F1M - Bosch Rexroth R901090934
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,131.33
Item
BRR-R901090934
Manufacturer no.
R901090934
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901090934
Country of originGermany
ConditionNew
Artikel
BRR-R901090934
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Total price
Some manifolds have a pilot pressure line but no room for an extra pilot return. This version therefore takes pilot oil externally and returns it internally to tank, at 220 l/min nominal flow and 350 bar operating pressure.
Benefits
- External pilot supply secures pilot pressure independently of the working pressure.
- Internal pilot return saves one drilling and one fitting on the manifold.
- 220 l/min nominal flow, up to 870 l/min maximum, at 350 bar operating pressure.
- 4...20 mA command input with on-board electronics, no amplifier card needed in the cabinet.
- 20.58 kg and the ISO 4401-08-08-0-05 pattern, the standard size 25 interface.
Technical data
| Conformity, evidence | UKCA - Electromagnetic compatibility (EMC) SI2016/1091 |
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 870 l/min |
| Product family | 4WRZ(E) |
| Type of connection | Subplate mounting |
| Nominal flow | 220 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 | Connector 7-pole (6 + PE) according to EN 175201-804 |
| Spool symbol | Symbol E |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.58 kg |
Applications
This routing makes sense wherever a shared pilot pressure supply feeds several valves and the tank return inside the manifold is generously sized anyway. Examples are press manifolds, test bench power units and hydraulic stations in plant engineering. Operation is released for HL hydraulic fluid with NBR seals.
Manufacturer
Genuine Bosch Rexroth part, material number R901090934. Characteristic curves and installation dimensions are given in data sheet RE 29115 and RE 07600-B.
| Hersteller-Nr | R901090934 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.580000 |
| 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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