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Bosch Rexroth | DBW20B2-5X100-6EW110N9K412

DBW20B2-5X/100-6EW110N9K4/12

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The Bosch Rexroth DBW20B2-5X/100-6EW110N9K4/12 is a pressure relief valve from the DB Pressure Relief Valves series. This valve supports a maximum operating pressure of 350 bar and is rated for 100 bar. It has a nominal size of NG 25 and uses subplate mounting. The maximum flow rate for subplate mounting is 500 liters per minute. The device is equipped with a normally open directional valve function and uses an EN 175301-803 electrical connector. Viscosity of compatible fluids ranges from 10 to 800 mm²/s, with an operating temperature between -20 to +80 degrees Celsius for NBR seals. The mass of the subplate configuration is 4.95 kg, and it features a concealed manual override.

Technical Specifications

Cleanliness Class
ISO 4406 20/18/15

Directional Valve Function
Normally Open (B)

Electrical Connector
EN 175301-803 (K4)

Fluid Temperature Max
+80 °C (NBR)

Fluid Temperature Min
–20 °C (NBR)

Manual Override
Concealed (N9)

Mass (subplate, Dbw 20)
4.95 kg

Max Flow (subplate)
500 l/min

Max Operating Pressure (p,x)
350 bar

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

Mounting Type
Subplate Mounting

Nominal Size
NG 25

Pressure Rating
100 bar

Seal Material
NBR

Viscosity Max
800 mm2/s

Viscosity Min
10 mm2/s

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