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Bosch Rexroth | DBW20B3-5X315-6EW110N9K412

DBW20B3-5X/315-6EW110N9K4/12

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The Bosch Rexroth DBW20B3-5X/315-6EW110N9K4/12 is part of the DB Pressure Relief Valves series. This valve features a lockable rotary knob for adjustment and uses a concealed manual override. It is designed as a spool valve with a 6E directional valve type, offering a normally open configuration. The unit is intended for subplate mounting and fits nominal size NG 25 with a porting pattern according to ISO 6264. It is capable of handling a maximum operating pressure of 350 bar at port P and X, and 315 bar at port T. The maximum flow rate for subplate mounting with NG 25 is 500 liters per minute. The electrical connection provided is EN 175301-803, 3-pole, and mounting requires four M16 x 50 screws with a tightening torque of 185 Nm.

Technical Specifications

Adjustment Type
Lockable Rotary Knob (3)

Directional Valve Type
Spool Valve (6E)

Electrical Connection
EN 175301-803, 3-Pole (K4)

Manual Override
Concealed (N9)

Max Backpressure (y,t, 6ew)
160 bar

Max Flow (subplate, Ng 25)
500 l/min

Max Operating Pressure (port P, X)
350 bar

Max Operating Pressure (port T)
315 bar

Mounting Screws
4x M16 x 50 (ISO 4762)

Mounting Type
Subplate Mounting

Nominal Size
NG 25

Normal State
Normally Open (B)

Pilot Oil Supply/return
Internal/Internal

Porting Pattern
ISO 6264

Pressure Rating
315 bar

Screw Tightening Torque
185 Nm

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