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

10-2

Filtration

Refer to "Cleanliness of Hydraulic Fluid"

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

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

Standard Spring Ranges
25 to 120 bar; preset： 69bar
40 to 200 bar; preset：138bar
200 to 350 bar; preset：207bar

Temperature
-40ºF to +250ºF(-40ºC to +120ºC)

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

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