LLOFC
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A cartridge-style pilot-to-close, spring biased closed,unbalanced poppet Logic element
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Technical Feature
OPERATION:
These unbalanced, pilot-to-close logic valves are 2-way switching elements that are
spring biased closed. Pressure at either work port ① or ② will oppose the spring
and tend to open the valve while pressure at port ③ will tend to close it. The force
generated at port ③ , plus the spring force, must be greater than the sum of the forces
acting at port ① and port ② for the valve to remain closed.
NOTE: The pilot area (port ③ ) is 1.8 times the area at port ① and 2.25 times the area
at port ② . -
PerformanceCurves
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Technical Data
FlowSee PRESSURE DROP VS.FLOW graph.CavitySUN T-2AFiltrationRefer to "Cleanliness of Hydraulic Fluid"Max.Operating Pressure350BarInternal Leakage10 drops/minTemperature-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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