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Bosch Rexroth | DBW20B2-5X315U6EW110N9K412

DBW20B2-5X/315U6EW110N9K4/12

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The Bosch Rexroth DBW20B2-5X/315U6EW110N9K4/12 is part of the DB Pressure Relief Valves series. This model features a nominal size of 25 and is designed for subplate mounting with a porting pattern according to ISO 6264. It offers a pressure rating of 315 bar and supports a maximum operating pressure of 350 bar at ports p and x. The maximum flow for subplate mounting reaches up to 500 liters per minute. This pressure relief valve uses an adjustment sleeve with hex and protective cap, and includes a concealed manual override. Seal material is NBR, and it meets ISO 4406 cleanliness class 20/18/15. The electrical connector follows the EN 175301-803 standard with a 3-pole 2+PE configuration.

Technical Specifications

Adjustment Type
Sleeve With Hex And Protective Cap

Cleanliness Class
ISO 4406 20/18/15

Directional Valve
Directional Spool Valve (6E)

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

Manual Override
Concealed (N9)

Max Flow (subplate)
500 l/min

Max Operating Pressure (p,x)
350 bar

Max Pressure Ports Y,t (6ew)
160 bar

Mounting
Subplate Mounting

Mounting Screws
4x M16 × 50 (ISO 4762-10.9)

Nominal Size
25

Pilot Oil Supply/return
Internal/Internal

Porting Pattern
ISO 6264

Pressure Rating
315 bar

Screw Tightening Torque
185 Nm

Seal Material
NBR

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