| A. ELECTRIC ACTUATORS |
| 1.NORMAL QUARTER-TURN ELECTRIC ACTUATORS: |
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| FEATURE |
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A.ENCLOSURE : |
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*IP 67: WATERPROOF AND DUST-PROOF ENCLOSURES. |
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*NEMA 4X: WATERPROOF AND DUST-PROOF ENCLOSURES |
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*MATERIAL: DRY POWDER COATING ALUMINUM ALLOY. |
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B.MOTOR : |
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*STANDARD EXTENDED DUTY CYCLE INDUCTION MOTOR |
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*BUILT-IN THERMAL PROTECTION(135?C)PREVENTS MOTOR BURNING
OUT |
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C.POSITION INDICATOR:
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*ALL MODELS HAVE CONTINUOUS MECHANISM POSITION INDICATOR
ON THE TOP OF ACTUATOR COVER. |
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D.MANUAL OVERRIDE :
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*NON-CLUTCH DESIGN, THE MANUAL OPERATION CAN BE OPERATED
WITHOUT ANY LEVER CLUTCH OR BRAKE UPON POWER OUTAGE. |
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*WHEN ELECTRIC MOTOR IS OPERATING MANUAL HAND-WHEEL WON'T
ROTATE FOR PERSON SAFE PURPOSE. |
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E. GEAR
TRAIN : |
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*HIGH ALLOY STEEL GEAR TRAINS PROVIDE SELF-LOCKING FUNCTION
TO AVOID VALVE BACK DRIVE . |
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*GEAR TRAINS HAVE BEEN ALREADY LUBRICATED SUFFICIENTLY WITH
ANTI-HIGH TEMPERATURE LUBRICANT AT THE FACTORY. |
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F. WORKING CONDITIONS :
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*AMBIENT TEMPERATURE: -30 ℃ ~ + 65 ℃ |
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*THE HUMIDITY: 30% ~ 95% |
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G. VARIOUS
OPTIONS : |
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*SPACE HEATER. |
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*ADDITIONAL LIMIT SWITCHES( 2 UNIT) |
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*POTENTIOMETER UNIT( 1K Ohm or 5K Ohm) |
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*LOCAL CONTROL UNIT( LOCAL/REMOTE, ON/OFF). |
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*CONDUIT ENTRANCE( 1/ 2” PS, 3/ 4” PF, 1/ 2” NPT) |
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*TORQUE SWITCHES( 2 UNITS) |
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*CURRENT POSITION TRANSMITTER( OUTPUT 4-20MA) |
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*MODULATING CONTROLLER |
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*VARIOUS VOLTAGES. |
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*NYLON ENCLOSURE MATERIAL |
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*THERMOSTAT. |
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H. CERTIFICATES : |
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*ISO 9001 |
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*CE |
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*CSA(CONFORMING TO THE TEST STANDARD OF OUTDOOR USAGE). |
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*RoHs Compliance |
