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Bosch Rexroth | DB20-2-5X315V12

DB20-2-5X/315V/12

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The Bosch Rexroth DB20-2-5X/315V/12 belongs to the DB Pressure Relief Valves series. This valve features a nominal size of NG25 and utilizes an adjustment sleeve with a hexagon cap. It is capable of handling a maximum set pressure of 315 bar, with maximum operating pressures at ports X, t, and y being 350 bar and 315 bar respectively. The unit supports a maximum flow rate of 500 liters per minute when subplate mounted. Its mounting uses screws tightened to 185 Nm and the valve itself has a mass of 3.5 kilograms. It is compatible with fluid temperatures between minus 15 and 80 degrees Celsius and operates with fluids in a viscosity range of 10 to 800 mm²/s. The device is equipped with FKM seals and satisfies a cleanliness class of ISO 4406 (c) 20/18/15.

Technical Specifications

Adjustment Type
Sleeve With Hexagon (Cap)

Cleanliness Class
ISO 4406 (c) 20/18/15

Fluid Temperature Range
−15…+80 °C (FKM)

Installation Position
Any

Mass (subplate Mounting)
3.5 kg

Max Operating Pressure (p, X)
350 bar

Max Operating Pressure (t)
315 bar

Max Operating Pressure (y)
315 bar

Maximum Flow (subplate)
500 l/min

Maximum Set Pressure
315 bar

Mounting Screw Tightening Torque
185 Nm (±10%)

Nominal Size
NG25

Porting Pattern
ISO 6264-08-13-*-97

Seal Material
FKM (V)

Viscosity Range
10…800 mm²/s

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