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Bosch Rexroth | DB20-1-4X100V-W65

DB20-1-4X/100V W65

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The Bosch Rexroth DB20-1-4X/100V W65 belongs to the DB Pressure Relief Valves series. This model is a pilot-operated pressure relief valve with a nominal size of NG25. It supports a maximum flow rate of 500 liters per minute in size 20 subplate mountings. The maximum operating pressure is 350 bar at port X, and 315 bar at ports t and y. A sealed hand wheel is used for pressure adjustment, with a set pressure rating of 100 bar. The valve is constructed with FKM seals and operates within a hydraulic fluid temperature range of -15 to 80 degrees Celsius. It features a porting pattern matching ISO 6264-08-13-*-97 and allows installation in any position. The unit weighs 3.5 kg and is compatible with fluids having viscosities between 10 and 800 mm²/s.

Technical Specifications

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

Hydraulic Fluid Temp Range
-15 to +80 °C (FKM)

Installation Position
Any

Mass (subplate, Size 20)
3.5 kg

Max Flow (size 20, Subplate)
500 l/min

Max Operating Pressure (p, X)
350 bar

Max Operating Pressure (t)
315 bar

Max Operating Pressure (y)
315 bar

Mounting Screws
M16 x 50 (ISO 4762, 10.9)

Nominal Size
NG25

Porting Pattern
ISO 6264-08-13-*-97

Pressure Adjustment Type
Hand Wheel (Sealed)

Seal Material
FKM (Code V)

Set Pressure Rating
100 bar

Valve Type
Pilot-Operated Pressure Relief

Viscosity Range
10 to 800 mm²/s

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