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Bosch Rexroth | DBW20B2-5X315-6EW110N9DK23L12

DBW20B2-5X/315-6EW110N9DK23L/12

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The Bosch Rexroth DBW20B2-5X/315-6EW110N9DK23L/12 is part of the DB Pressure Relief Valves series. This valve features subplate mounting and uses M16 x 50 screws with a tightening torque of 185 Nm. It operates with a maximum pressure of 350 bar for p, X, while the set pressure rating and t pressure reach up to 315 bar. The maximum flow for subplate mounting is 500 liters per minute. This model supports hydraulic fluid temperatures up to 80 °C and ambient temperatures up to 50 °C. The valve accommodates fluid viscosities between 10 and 800 mm²/s. Pressure adjustment is achieved by a sleeve with hex and cap, and cleanliness is maintained to ISO 4406 (c) 20/18/15 standards. It uses an internal pilot oil supply and return, and the directional function is normally open.

Technical Specifications

Ambient Temp Max (dbw)
50 °C

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

Directional Function
Normally Open (B)

Hydraulic Fluid Temp Max
80 °C

Max Flow (subplate Mounting)
500 l/min

Max Operating Pressure (p, X)
350 bar

Max Operating Pressure (t)
315 bar

Max Y,t Pressure (6ew)
160 bar

Mounting Screws
M16 × 50 (DBW 20)

Mounting Type
Subplate Mounting

Pilot Oil
Internal Supply, Internal Return

Pressure Adjustment
Sleeve With Hex And Cap (2)

Screw Tightening Torque
185 Nm

Set Pressure Rating
315 bar

Viscosity Max
800 mm²/s

Viscosity Min
10 mm²/s

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