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Cartridge valve Directional Valves

Please select subcategories: 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 2-way pilot-operated spool-type directional valve

Technical Feature

OPERATION:
Unpiloted, the valve allows flow between ② and ③ . The spring bias chamber is internally vented to ③ . On remote pilot signal at ① , the valve shifts to close ② to ③ bidirectionally.
Note: Back pressure at ③ will increase the pilot pressure required at 1 to shift, at a ratio of 1:1. Consult factory for applications where bi-directional flow is required when the valve is in the normal or spring-offset position.
PerformanceCurves
Technical Data

Operating Pressure
240Bar

Flow

See PRESSURE DROP VS.FLOW graph.

Cavity

10-3

Filtration

Refer to "Cleanliness of Hydraulic Fluid"

Internal Leakage
82cc/min. max. at 240bar

Pilot Pressure Required
To Full Spool Shift:
for 4.1bar spring: 4.7bar
for 7.6bar spring: 8.6bar

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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PDF File

LPD2-10-35
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