Images are examples, some edited with AI. The technical data are authoritative. AI notice
Pressure relief valve DBDS8G1X/400V pipe thread G3/8 NG 8 max. 400 bar FKM - Bosch Rexroth R900459874
Overpressure protection for pump and lines: the DBDS8G1X/400V opens at the set value and lets oil flow from P to T. Size NG 8, pipe thread G3/8, up to 400 bar and 120 l/min, FKM seals. Original Bosch Rexroth, material number R900459874, weight 3.62 kg.
- Specialist dealer since 2009
- Invoice payment for regular customers
- Worldwide shipping
- Technical questions clarified with the manufacturer
Description
The DBDS8G1X/400V pressure relief valve in size NG 8 protects pumps, lines and consumers against excessive pressure. It is rated for up to 400 bar operating pressure at a maximum of 120 l/min.
Benefits
- G3/8 pipe thread to ISO 228-1 for direct in-line installation
- Operating pressure up to 400 bar
- Flow rate up to 120 l/min
- Flow path P to T: excess oil returns directly to tank
- Mechanical actuation, set directly on the valve
- FKM seals
Applications
Typical use is protecting pumps and sub-circuits, here with pipe thread G3/8. Original Bosch Rexroth product, material number R900459874.
Technical data
| Type | DBDS8G1X/400V |
|---|---|
| Material number | R900459874 |
| Product type | Pressure relief valve |
| Size | NG 8 |
| Type of connection | Threaded connection |
| Connection diagram | Pipe thread G3/8 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. | 400 bar |
| Max. flow | 120 l/min |
| Seals | FKM |
| Hydraulic fluid | HL, HLP, HLPD, HVLP, HVLPD, HETG, HEES, HEPG, HFDU (glycol + ester base), HFDR |
| Weight | 3.62 kg |
| Manufacturer | Bosch Rexroth |
| Hersteller-Nr | R900459874 |
| 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 NG8 |
| Bauform | Gewindeanschluss |
| Thread | G 3/8 |
| Seal material | FKM |
| Function | Druckbegrenzung |
| Thread standard | DIN EN ISO 228-1 |
| Actuation type | Mechanical |
| Norm | DIN EN ISO 228-1 |
| Betriebsdruck max [bar] | 400 |
Downloads
Datasheet
User Manual
- Pressure relief valve (RE 25802-B) EN
- Pressure relief valve (RE 25402-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.







