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A retrofit manifold rarely has spare galleries for pilot oil. This size 25 valve takes pilot oil internally, returning it internally, so neither X line nor Y line is required. 220 l/min nominal flow at 350 bar, spool symbol W8, ±10 V command value.
Proportional Directional Valve 4WRZE25W8-220-7X/6EG24N9ETK31/A1V - Bosch Rexroth R901514909
BOSCH REXROTH
Original product
Net price (excl. VAT)
€4,807.09
Item
BRR-R901514909
Manufacturer no.
R901514909
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R901514909
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R901514909
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Internal pilot oil supply combined with internal pilot oil return make this pilot-operated proportional directional valve in size 25 the simplest answer for an existing manifold: 220 l/min nominal flow at 350 bar with no extra piping.
Advantages
- Pilot oil taken internally, discharged internally, so no external pilot lines are needed.
- 220 l/min nominal flow at 350 bar operating pressure, 870 l/min maximum.
- ±10 V command value on a 24 VDC supply, all through one 7-pole connector to EN 175201-804.
- Concealed auxiliary actuation for emergency operation as well as setup work.
- UKCA evidence, FKM seals, 20.5 kg.
Technical data
| Conformity description | 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 ±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 W8 |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | FKM |
| Electrical connector | Connector, 7-pole (6 + PE) |
| Type of actuation | Electrical with on-board electronics |
| Weight | 20.5 kg |
Applications
Sensible on conversions of machine tools or presses whose manifold provides no separate pilot galleries. It assumes a system pressure that stays above minimum pilot pressure.
Manufacturer
Bosch Rexroth, material number R901514909. Genuine manufacturer part, not a replica. Every figure follows data sheets RE 29115 and RE 07600-B. Refer to the data sheet for characteristic curves and mounting dimensions.
| Hersteller-Nr | R901514909 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 20.500000 |
| Zolltarifnummer | 84812010 |
| 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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