DB20K2-X
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A cartridge-style pilot-operated poppet -type relief valve with an external control port
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Technical Feature
OPERATION:
The valve with spring chamber port“Y”external drain, prevents flow from port“A”to
port“B” until pressure at port“A”exceeds the set Cracking Pressure and opens
the pilot section. The pilot flow creates a pressure differential across the poppet which
causes the valve to open allowing flow from port“A” to port“B” protecting the
circuit from over pressurization;
With Port“X”connected to tank(usually controlled by a solenoid directional valve),the
valve can be converted in such a way that it is capable of being electrically to nonpressurized circulation.(main piston is open). -
PerformanceCurves
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Technical Data
Flow250L/minCavity20K2FiltrationRefer to "Cleanliness of Hydraulic Fluid"Max.Operating Pressure350BarReseat Pressure85% of crack pressure (crack pressure at 0.95 lpm /0.25 gpm)Temperature-40°F to +250°F(-40°C to +120°C)FluidsMineral-based fluids with viscosities of 7.4 to 420 cSt.Body MaterialSteel & Ductile iron rated to 350bar -
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