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Bosch Rexroth | DB20-2-5X315XY12

DB20-2-5X/315XY/12

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The Bosch Rexroth DB20-2-5X/315XY/12 is a pressure relief valve from the DB Pressure Relief Valves series. This model features a sleeve adjustment with hexagon and protective cap for secure operation. It is designed for subplate mounting and uses a porting pattern compliant with ISO 6264-10-17-*-97. The valve has a main spool diameter of 24 mm and a nominal size of NG25. Its maximum operating pressure is 350 bar on the X port and 315 bar on the Y port, with a general pressure rating of 315 bar. Maximum flow for the subplate version reaches up to 500 liters per minute. The device has a mass of 3.5 kg and supports pilot oil supply and return externally through designated ports. It operates with hydraulic fluid temperatures from -20 to +80 degrees Celsius and a viscosity range of 10 to 800 mm²/s, while maintaining cleanliness to ISO 4406 (c) class 20/18/15.

Technical Specifications

Adjustment Type
Sleeve w/ Hexagon & Protective Cap

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

Hydraulic Fluid Temp Range
−20 to +80 °C

Installation Position
Any

Main Spool Diameter
24 mm

Mass (subplate)
3.5 kg

Max Flow (subplate)
500 l/min

Max Operating Pressure (p, X)
350 bar

Max Operating Pressure (t, Y)
315 bar

Mounting Type
Subplate Mounting

Nominal Size
NG25

Pilot Oil Return
External (Y)

Pilot Oil Supply
External (X)

Porting Pattern
ISO 6264-10-17-*-97

Pressure Rating
315 bar

Viscosity Range
10 to 800 mm²/s

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