keta hydraulic

Cartridge valve Directional Valves

Check Valves(Pilot Operated): Direct Acting Check Valves Check Valves(Pilot Operated) Pilot-Operated Directional Valves 2-Way 3-Way 4-Way Shuttle Hot Oil Shuttle Pneumatic-operated Directional Valves Mechanically operated, back-to-back check valve

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A cartridge-style pilot-to-close poppet-type check valve

Technical Feature

OPERATION:
Pressure at ① overcomes the spring-bias poppet and allows free flow to ② . Flow in the opposite direction, from ② to ① ,is blocked by the poppet.
When the required pilot pressure is achieved at ③ ,the poppet is held closed to block flow between ① and ② .The pilot piston area to poppet seat area ratio is 3 to 1.
PerformanceCurves
Technical Data

Operating Pressure
250Bar

Flow

See PRESSURE DROP VS.FLOW graph.

Cavity

10-3

Filtration

Refer to "Cleanliness of Hydraulic Fluid"

Internal Leakage
2 drops/min. max. at 250bar

Crack Pressures
2.1=2.1bar
3.4=3.4bar
6.2=6.2bar

Pilot Ratio
3:01

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
6061-T6 aluminum alloy rated to 207bar, Steel & Ductile iron rated to 350bar
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LPC2-10
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