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If the pilot stage sits completely outside the valve, it stays untouched by pressure peaks in the main circuit. The H-4WEH25HD6X/OF6EG24N9S2K4 is built that way, switches two positions with spool symbol D and passes up to 700 l/min at a maximum of 350 bar.
Directional Spool Valve H-4WEH25HD6X/OF6EG24N9S2K4 - Bosch Rexroth R900966166
BOSCH REXROTH
Original product
Net price (excl. VAT)
€2,258.49
Item
BRR-R900966166
Manufacturer no.
R900966166
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R900966166
Country of originGermany
ConditionNew
Artikel
BRR-R900966166
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A main circuit with strongly fluctuating pressure disturbs the pilot stage as soon as the latter draws its oil from the main line. The H-4WEH25HD6X/OF6EG24N9S2K4 takes pilot oil from outside and drains it to the outside, at up to 700 l/min in size 25.
Benefits
- External pilot oil supply and external pilot oil return separate the pilot circuit completely.
- Spool symbol D in two switching positions across four ports.
- 700 l/min at a maximum operating pressure of 350 bar.
- 24 V DC solenoid actuation through a 3-pole connector (2 + PE) to EN 175301-803.
- 18.58 kg weight, NBR seals, connection diagram ISO 4401-08-08-0-05.
Technical data
| Connection diagram | ISO 4401-08-08-0-05 |
| Max. flow | 700 l/min |
| Product family | H-4W.H.. |
| Type of connection | Subplate mounting |
| Supply voltage | 24 VDC |
| Number of switching positions | 2 |
| Hydraulic fluid | HL |
| Number of ports | 4 |
| Electrical connection description | Connector 3-pole (2 + PE) according to EN 175301-803 |
| Spool symbol | Symbol D |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | with solenoid actuation |
| Weight | 18.58 kg |
Application
Arrangements like this are found on presses and forging plants whose working pressure collapses during the cycle. A small auxiliary pump then feeds the pilot circuit at constant pressure.
Manufacturer
Bosch Rexroth lists the valve under material number R900966166 in product family H-4W.H.., data sheets RE 24751 and RE 07600-B.
| Hersteller-Nr | R900966166 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Country of Manufacture | Germany |
| Weight | 18.580000 |
| 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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