keta hydraulic

Cartridge valve Pressure Valves

Relief Valves: Relief Valves Reducing Valves Sequence Valves Pilot Unloading Valves

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A cartridge-style direct-acting differential area poppet-type relief valve

Technical Feature

OPERATION:
The valve blocks flow from ② to ① until sufficient pressure is present at ② to force the
poppet from its seat.
PerformanceCurves
Technical Data

Operating Pressure
350bar

Flow

See PRESSURE DROP VS.FLOW graph.

Cavity

10-2

Filtration

Refer to "Cleanliness of Hydraulic Fluid"

Internal Leakage
5 drops/min. max. to 80% of nominal setting

Reseat Pressure
85% of cracking pressure (cracking pressure at 0.95 lpm /0.25 gpm)

Standard Spring Ranges
38 to 350 bar, preset: 175bar

Temperature
-40°F to +250°F(-40°C to +120°C)

Fluids
Mineral-based fluids with viscosities of 7.4 to 420 cSt.

Body Material
Steel & Ductile iron rated to 350bar
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LDRV8-10
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