Bosch Rexroth | DB30-2-5X315U12
DB30-2-5X/315U/12
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The DB30-2-5X/315U/12 pressure relief valve belongs to the DB Pressure Relief Valves series from Bosch Rexroth and prevents over-pressure in automated hydraulic circuits. This size 32 model mounts on a subplate and follows the ISO 6264 porting pattern to streamline manifold integration. Both pilot oil supply and pilot oil return are internal, removing external pilot plumbing. A 24 mm main spool diameter establishes the flow channel, enabling a maximum flow of 650 l/min. The relief point is set with a sleeve that has a hexagon head and a protective cap, ensuring secure adjustment during service.
The valve accepts hydraulic fluids with viscosities from 10 to 800 mm²/s so it remains responsive across a broad temperature range. The primary circuit can operate up to 350 bar, while port T is limited to 315 bar to safeguard the return line. Within those limits, the user can tune the pressure up to a 315 bar rating for system protection. Reliable operation requires fluid cleanliness of ISO 4406 20/18/15 to keep spools and seats free of abrasive particles. These parameters let the DB30-2-5X/315U/12 deliver stable, high-flow pressure control in hydraulic automation equipment.
Technical Specifications
Adjustment Type
Sleeve With Hexagon And Protective Cap
Cleanliness Class
ISO 4406 20/18/15
Main Spool Diameter
24 mm
Max Flow
650 l/min
Max Operating Pressure
350 bar
Max Operating Pressure (port T)
315 bar
Mounting Type
Subplate
Pilot Oil Return
Internal
Pilot Oil Supply
Internal
Porting Pattern
ISO 6264
Pressure Rating
315 bar
Size
32
Viscosity Range
10 to 800 mm²/s
1620 Old Apex Road
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