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Bosch Rexroth | DBW20B2-5X50-6EW110N9K412

DBW20B2-5X/50-6EW110N9K4/12

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The Bosch Rexroth DBW20B2-5X/50-6EW110N9K4/12 is a pressure relief valve in the DB Pressure Relief Valves series. This model uses a sleeve with hexagon and cap as its adjustment type and supports a maximum operating pressure of 350 bar. Its maximum flow rate with subplate mounting is 500 liters per minute. The valve features a 6E spool directional valve that is normally open and is equipped with a concealed manual override. Electrical connection is achieved through an EN 175301-803 connector. The valve uses the ISO 6264 porting pattern and connects by subplate mounting with four M16 x 50 bolts. The cleanliness class is rated at 20/18/15 according to ISO 4406.

Technical Specifications

Adjustment Type
Sleeve With Hexagon And Cap

Bolt Tightening Torque
185 Nm (±10%)

Cleanliness Class (iso 4406)
20/18/15

Connection Type
Subplate Mounting

Directional Valve
6E Spool Valve

Directional Valve State
Normally Open (B)

Electrical Connection
EN 175301-803 Connector (K4)

Manual Override
Concealed (N9)

Max Flow (subplate Mount)
500 l/min

Max Operating Pressure
350 bar

Max Port T/y Pressure (6ew)
160 bar

Mounting Bolts
4x M16 x 50 (ISO 4762 - 10.9)

Pilot Oil Supply/return
Internal/Internal

Porting Pattern
ISO 6264

Pressure Rating
50 bar

Size (ng)
25

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