keta hydraulic

Cartridge valve Directional Valves

Pilot-Operated Directional Valves: 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 3-way pilotoperated spool-type internal-vent directional valve

Technical Feature

OPERATION:
Pilot-operated, 3-way directional cartridges valve, normally ① blocked, ② to ③ open,the valve shifts when the pressure differential etween port ① and port ③ exceeds the setting. Pressure at port ③ is directly additive to the setting of the valve. Because of this, port ③ may not be useable as a work port in your circuit. Port ③ can be blocked to prevent the valve from shifting and Maximum pressure at port ③ should be limited to 3000 psi (210 bar).
PerformanceCurves
Technical Data

Operating Pressure
350Bar

Flow

See PRESSURE DROP VS.FLOW graph.

Cavity

SUN T-2A

Filtration

Refer to "Cleanliness of Hydraulic Fluid"

Internal Leakage
15 cc/min. max. at 70 bar

Standard Spring Ranges
A: 100 - 3000 psi (7 - 210 bar), Preset:1000 psi (70 bar)
B: 50 - 1500 psi (3.5 - 105 bar), Preset:1000 psi (70 bar)
D: 25 - 800 psi (1.7 - 55 bar), Preset: 400 psi (28 bar)
E: 25 - 400 psi (1.7 - 28 bar), Preset: 200 psi (14 bar)
H: 35 - 3000 psi (2.4 - 210 bar), Preset:1000 psi (70 bar)
W: 100 - 4500 psi (7 - 315 bar), Preset:1000 psi (70 bar)

Temperature
-40°F to +250F(-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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