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Bosch Rexroth | DBW20B1-5X100-6EW110N9K412

DBW20B1-5X/100-6EW110N9K4/12

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The Bosch Rexroth DBW20B1-5X/100-6EW110N9K4/12 is a pressure relief valve from the DB Pressure Relief Valves series. This model has a nominal size of NG25 and supports subplate mounting. It is rated for a maximum flow of 500 liters per minute and a pressure rating of 100 bar. The valve uses NBR seal material and operates with a hydraulic fluid viscosity range of 10 to 800 mm²/s. The ambient temperature range is from -20 to +50 degrees Celsius, and the hydraulic fluid temperature range is from -20 to +80 degrees Celsius. Its electrical connection is based on EN 175301-803, supporting a 3-pole setup. The valve includes a concealed manual override and has an overall mass of 4.95 kilograms. Cleanliness is maintained with a class of ISO 4406 (c) 20/18/15, and the pilot oil supply and return are both internal.

Technical Specifications

Ambient Temperature (nbr)
-20 to +50 °C

Cleanliness Class
ISO 4406 (c) 20/18/15

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

Hydraulic Fluid Temp (nbr)
-20 to +80 °C

Manual Override
Concealed (N9)

Mass
4.95 kg

Maximum Flow (subplate)
500 l/min

Mounting
Subplate Mounting

Nominal Size
NG25

Pilot Oil Supply/return
Internal/Internal

Port P, X Max Pressure
350 bar

Port T Max Pressure
315 bar

Port Y, T Max Pressure (6ew)
160 bar

Pressure Rating
100 bar

Seal Material
NBR

Viscosity Range
10 to 800 mm2/s

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