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Pressure Relief Valve DBW 20 B2-5X/315S6EG24N9K4R12/12=CSA - Bosch Rexroth R978915624
Machinery for the North American market needs certified components. The DBW 20 B2 in its CSA version limits pressure in a pilot-operated design from 4 to 315 bar, discharges up to 500 l/min and runs NBR seals on HL mineral oil.
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Description
This version of the DBW 20 B2-5X carries the CSA mark and is therefore aimed at machines accepted in North America. The setting range covers 4 to 315 bar, with flow up to 500 l/min in size 25.
Advantages
- CSA version for machines undergoing North American acceptance
- Setting range 4 to 315 bar, internal hexagon with protective cap
- Up to 500 l/min, maximum operating pressure 350 bar
- Pilot-operated poppet valve, two switching positions, symbol B
- NBR seals for HL hydraulic fluid
- 24 V DC solenoid, porting pattern to ISO 6264-08-13
Application
Export machinery and plants with a CSA requirement can be equipped without redesigning the pressure protection. The application matches the other DBW versions, namely relief at the pump outlet with additional electrical switching. NBR seals suit the common HL class mineral oils.
Manufacturer
Bosch Rexroth lists the unit under material number R978915624. Data sheet 25802 and 25802-B carries the characteristic curves and installation dimensions.
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 | 5.3 kg |
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R978915624 |
| 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 |
Downloads
User Manual
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