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The choice between size 25 and size 32 is decided by flow. The size 25 DBW20B2-5X relieves up to 500 l/min, limits pressure across 4 to 315 bar, switches to spool symbol B on 24 VDC and is rated for a maximum operating pressure of 350 bar.
Pressure Relief Valve DBW20B2-5X/315S6EG24N9K4R12/12 - Bosch Rexroth R978898122
BOSCH REXROTH
Original product
Net price (excl. VAT)
€2,245.53
Item
BRR-R978898122
Manufacturer no.
R978898122
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.R978898122
Country of originGermany
Customs tariff number84812010
ConditionNew
Artikel
BRR-R978898122
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A power unit at 500 l/min is served by size 25 and saves the larger mounting block. Within that frame the pilot-operated poppet valve DBW20B2-5X/315S6EG24N9K4R12/12 limits pressure between 4 and 315 bar at a maximum operating pressure of 350 bar.
Benefits
- Up to 500 l/min in size 25 to connection diagram ISO 6264-08-13.
- Pressure adjustment range 4 to 315 bar, rated to a maximum of 350 bar.
- Spool symbol B in two switching positions with 24 VDC solenoid actuation.
- Internal hexagon with protective cap secures a pressure setting.
- 5.88 kg, NBR seals for HL hydraulic fluid.
Technical data
| Connection diagram | ISO 6264-08-13 |
| Max. flow | 500 l/min |
| Product family | DB.10-30 |
| Type of connection | Subplate mounting |
| Supply voltage | 24 VDC |
| Number of switching positions | 2 |
| Hydraulic fluid | HL |
| Number of ports | 2 |
| Electrical connection description | Connector, 3-pole (2 + PE) according to EN 175301-803 |
| Spool symbol | B |
| Operating pressure, max. | 350 bar |
| Size | 25 |
| Seals | NBR |
| Electrical connector | Connector, 3-pole (2 + PE) |
| Type of actuation | with solenoid actuation |
| Weight | 5.88 kg |
Application
It is used on medium duty power units, for instance on presses, clamping systems and machine tools. A connector to EN 175301-803 simplifies assembly, while poppet design keeps a circuit tight at rest.
Manufacturer
Bosch Rexroth lists this pilot-operated pressure relief valve DBW20B2-5X/315S6EG24N9K4R12/12 under material number R978898122. Data sheets RE 25802 and RE 25802-B show characteristic curves, installation dimensions and the connection diagram. Mounting dimensions follow ISO 6264-08-13 with two ports.
| Weight | 5.880000 |
|---|---|
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R978898122 |
| Zolltarifnummer | 84812010 |
| GPSR Herstellerdaten | Bosch Rexroth AG, Zum Eisengießer 1, DE-97816 Lohr am Main, www.boschrexroth.com |
| Artikelzustand | New |
| Artikel-Authentizität | Original product |
| Country of Manufacture | Germany |
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