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 poppet-type relief valve

Technical Feature

OPERATION:
The valve prevents flow from ① to ② until the set Cracking Pressure at ① is achieved. The poppet then unseats allowing flow from ① to ② protecting the circuit from over pressurization.
PerformanceCurves
Technical Data

Operating Pressure
350Bar

Flow

See PRESSURE DROP VS.FLOW graph.

Cavity

08-2

Filtration

Refer to "Cleanliness of Hydraulic Fluid"

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

Reseat Pressure
80% of cracking pressure (cracking pressure at 0.95 lpm /0.25 gpm)

Standard Spring Ranges
20 to 125 bar; preset: 69 bar
40 to 180 bar; preset:138 bar
50 to 240 bar; preset:172 bar
180 to 350 bar; preset:207 bar

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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PDF File

LNRV-08
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