Images are examples, some edited with AI. The technical data are authoritative. AI notice
Pressure relief valve DBDS20G1X/25J3 pipe thread G1 NG 20 max. 25 bar NBR - Bosch Rexroth R900391878
The Bosch Rexroth DBDS20G1X/25J3 keeps pressure below the set value, excess oil flows from P to T back to tank. Size NG 20, pipe thread G1, 25 bar max. operating pressure at up to 235 l/min, NBR seals. Genuine Bosch Rexroth part, material number R900391878, weight 6.8 kg.
- Specialist dealer since 2009
- Invoice payment for regular customers
- Worldwide shipping
- Technical questions clarified with the manufacturer
Description
The DBDS20G1X/25J3 pressure relief valve (NG 20) limits the highest pressure in the circuit to a set value. Operating pressure reaches 25 bar, flow up to 235 l/min.
Benefits
- In-line mounting via G1 pipe thread (ISO 228-1), no subplate needed
- Operating pressure up to 25 bar
- Handles up to 235 l/min
- Relief from P to T keeps the circuit below the set pressure
- Mechanically actuated, no electrical connection needed
- NBR seals
Applications
Used as a safety valve or for system pressure limitation, version pipe thread G1. Genuine Bosch Rexroth part, material number R900391878.
Technical data
| Type | DBDS20G1X/25J3 |
|---|---|
| Material number | R900391878 |
| Product type | Pressure relief valve |
| Size | NG 20 |
| Type of connection | Threaded connection |
| Connection diagram | Pipe thread G1 ISO 228-1 |
| Type of actuation | with mechanical actuation |
| Spool symbol | P to T |
| Number of switching positions | 2 |
| Number of ports | 2 |
| Operating pressure max. | 25 bar |
| Max. flow | 235 l/min |
| Seals | NBR |
| Hydraulic fluid | HL, HLP, HLPD, HVLP, HVLPD, HFC |
| Weight | 6.8 kg |
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900391878 |
| 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 |
| Ausführung | Gewindeanschluss NG20 |
| Bauform | Gewindeanschluss |
| Thread | G 1 |
| Seal material | NBR |
| Function | Druckbegrenzung |
| Thread standard | DIN EN ISO 228-1 |
| Actuation type | Mechanical |
| Norm | DIN EN ISO 228-1 |
| Betriebsdruck max [bar] | 25 |
Downloads
Datasheet
User Manual
- Pressure relief valve (RE 25402-B) EN
- Pressure relief valve (RE 25802-B) EN
- Betriebsanleitung -B/03.20 Druckbegrenzungsventil, direktgesteuert (Sicherheitsven (RD 25402) DE
- Betriebsanleitung RD25802-B/10.21 09.19 Druckbegrenzungsventil, vorgesteuert (Sicherheitsventil nach (RD 25802) DE
- Notice d'utilisation -B/03.20 Réf article R901557681 Limiteur de pression, à commande directe (RF 25402) FR
- Notice d'utilisation Réf. article. R901557687 Limiteur de pression, piloté (Soupape de sûreté confor (RF 25802) FR
Questions about this item
Any other question?
Send us the item number and your question. We clarify technical details directly with the manufacturer and usually reply on the next working day.






