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Bosch Rexroth | DB20G1-4X20012-W65

DB20G1-4X/200/12 W65

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The Bosch Rexroth DB20G1-4X/200/12 W65 is a pressure relief valve from the DB Pressure Relief Valves series. This model has a nominal size of NG25 and supports a maximum flow rate of 500 liters per minute with threaded connections. It is constructed with a main port thread size of G1 and pilot port thread size of G1/4. The valve operates with a maximum pressure rating of 200 bar and can sustain up to 350 bar at port P or X, with ports T and Y allowing up to 315 bar. Its ambient temperature range is -20 to +80 degrees Celsius, with NBR and FKM sealing options supporting similar fluid temperature ranges. Suitable for any installation position, the valve supports a viscosity range of 10 to 800 mm2/s. The unit weighs 5.1 kg and meets ISO 4406 cleanliness class 20/18/15.

Technical Specifications

Ambient Temp Range
-20 to +80 C

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

Fluid Temp Range (fkm)
-15 to +80 C

Fluid Temp Range (nbr)
-20 to +80 C

Installation Position
Any

Main Ports Thread
G1

Mass
5.1 kg

Max Flow (threaded Connection)
500 l/min

Max Operating Pressure (port P, X)
350 bar

Max Operating Pressure (port T)
315 bar

Max Operating Pressure (port Y)
315 bar

Nominal Size
NG25

Pilot Ports Thread
G1/4

Pressure Rating
200 bar

Viscosity Range
10 to 800 mm2/s

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