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Bosch Rexroth | DB30-2-5X35012

DB30-2-5X/350/12

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The Bosch Rexroth DB30-2-5X/350/12 is part of the DB Pressure Relief Valves series. This valve features a nominal size of NG32 and is designed for subplate mounting with a porting pattern that follows ISO 6264 standards. It supports a maximum operating pressure of 350 bar for ports p and x, and 315 bar for port t. The device can handle a maximum flow rate of 650 liters per minute through the subplate. Fluid temperature ranges from minus 20 to plus 80 degrees Celsius, with a maximum viscosity of 800 mm²/s. The valve utilizes an NBR seal material and is rated for a cleanliness class of ISO 4406 20/18/15. Adjustment is managed by a sleeve with a hexagon and a protective cap, and it requires four M18 x 50 mounting screws with a tightening torque of 248 Nm plus or minus 10 percent. Pilot oil supply is internal for this model.

Technical Specifications

Adjustment Type
Sleeve With Hexagon & Protective Cap

Cleanliness Class
ISO 4406 20/18/15

Max Flow (subplate)
650 l/min

Max Fluid Temp (nbr)
+80 °C

Max Operating Pressure (p,x)
350 bar

Max Operating Pressure (t)
315 bar

Max Set Pressure
350 bar

Max Viscosity
800 mm2/s

Min Fluid Temp (nbr)
-20 °C

Mounting Screws
4x M18 x 50 (10.9)

Mounting Type
Subplate Mounting

Nominal Size
NG32

Pilot Oil Supply
Internal

Porting Pattern
ISO 6264

Screw Tightening Torque
248 Nm +/-10%

Seal Material
NBR

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