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Bosch Rexroth | DBW20B2-5X200-6EW110N9K412

DBW20B2-5X/200-6EW110N9K4/12

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The Bosch Rexroth DBW20B2-5X/200-6EW110N9K4/12 is part of the DB Pressure Relief Valves series. This model features a nominal size of NG25 and accommodates a maximum flow rate of 500 liters per minute when subplate mounted. It supports a maximum operating pressure of 350 bar at port X and a maximum pressure of 315 bar at port T. The valve uses a spool directional type NG6 with a normally open directional function. Its adjustment type consists of a sleeve with hexagon and protective cap, and it includes a concealed manual override. The pressure setting is rated at 200 bar, and the maximum counter pressure capacity is 160 bar. This valve is installed using four M16x50 screws tightened to 185 Nm, and it has a mass of 4.95 kg.

Technical Specifications

Adjustment Type
Sleeve With Hexagon, Protective Cap

Directional Function
Normally Open (B)

Directional Valve Type
NG6 Spool (6E)

Electrical Connection
EN 175301-803 3-Pole (2+PE)

Installation Position
Any

Manual Override
Concealed (N9)

Mass (subplate Mounting)
4.95 kg

Max Counter Pressure (t, Y; 6ew)
160 bar

Max Flow (subplate)
500 l/min

Max Operating Pressure (p, X)
350 bar

Max Pressure (port T)
315 bar

Mounting Screws (dbw 20)
4× M16×50 (10.9)

Nominal Size
NG25

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

Pressure Rating (set)
200 bar

Screw Tightening Torque
185 Nm (±10%)

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