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Bosch Rexroth | DB20-2-4X31512-W65

DB20-2-4X/315/12 W65

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The Bosch Rexroth DB20-2-4X/315/12 W65 is a pressure relief valve from the DB Pressure Relief Valves series. This model supports a maximum flow rate of 500 liters per minute and is rated for a pressure of up to 315 bar. It can be used with hydraulic fluids within a temperature range of -20 to +80 degrees Celsius when NBR seals are used. The valve is designed for installation in any position. Its nominal size is NG25 and the porting pattern matches ISO 6264-08-13-*-97. The recommended viscosity range for operation is between 10 and 800 mm²/s. Cleanliness class meets ISO 4406 with a rating of 20/18/15, and the mass for the subplate type Db 20 is 3.5 kg. Maximum operating pressures on X, t, and y ports are 350 bar, 315 bar, and 315 bar respectively.

Technical Specifications

Cleanliness Class
ISO 4406 20/18/15

Hydraulic Fluid Temp Range
-20 to +80 C (NBR)

Installation Position
Any

Mass (subplate, Type Db 20)
3.5 kg

Maximum Flow
500 l/min

Maximum Operating Pressure (p, X)
350 bar

Maximum Operating Pressure (t)
315 bar

Maximum Operating Pressure (y)
315 bar

Nominal Size
NG25

Porting Pattern (subplate)
ISO 6264-08-13-*-97

Pressure Rating
315 bar

Viscosity Range
10 to 800 mm²/s

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