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한국밸브(주)

한국밸브(주)

한국밸브(주)

한국밸브(주)

055-338-0966
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한국밸브(주)

한국밸브(주)

ACTUATORS

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055-338-0966

제품 상세 설명

Electric Motor Actuators

Electric Motor Actuators are available for valves which are in accessibly located, or where emergency may require rapid, positive operation from a remote point. HAN KOOK can supplies electric motor actuators for each type of HAN KOOK Cast Steel Valves when required.

1. Separately sealed terminal compartment ensures the integrity of the electrical equipment even when the terminal cover is during site wiring

2. Local controls and padlockable Local/Stop/Remote selector switch operate internal reed switches, avoiding penetrating shafts which would have to be sealed to prevent moisture ingress.

3. All actuator settings and diagnostics are made through the sealed indication window. It is not necessary to remove eletical covers exposing the integral controls on site.

4. Low inertia high torque motor. The motor produces peak torque rapidly after starting but with very little overrun when de-energized. The winding thermostat provides accurate temperatures sensing independent of ambient temperature conditions to optimize motor's thermal catacity. The motor drive includes a lost motion 'hammerblow' to assist in unseating tightly shut valves

5. Sense winding in the stator to measure actuator torque via patented solid state circuitry with temperature compensation avoiding the use of springs, switches and levers for torque control.

6. Single worm and wheel drive running in an oil bath for maximum life with ambient temperature tolerance.

7. Hall effect magnetic pulse system accurately measures and controls the stroke of the actuator without using gears and switches.

8. Direct drive handwheel(or independently geared handwheel on larger sizes) to provide reliable emergency manual operation in the event of a power supply failure.

9. Low speed padlockable hand/auto clutch for safe operation even when the motor is running. Note : power operation always has preference unless hand/auto lever is purposely locked into 'hand drive'. Lost motion 'hammerblow' effect is provided with both direct and independently teared handwheels

10. Thrust base for type 'A' couplings lubricated for life and detachable, up to size IQ35, to allow actuator removal without disturbing the valve position. On sizes IQ40 and above the thrust base is an integral part of gearcase assembly.

11. Easily removable drive bushing for machining to suit valve stem for convenient valve adaptation.

12. Motor shaft and shaft aeparate to facilitate actuator speed change.

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