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Explosion-proof electric ball valve shell, model, installation

by:Sino Valves     2021-03-12
Explosion-proof electric ball valve shell 1. Shell: The shell is made of hard aluminum alloy, anodized and polyester powder coated, with strong corrosion resistance. The protection level is IP67, NEMA4 and 6, and IP68 and explosion-proof type are available. . 2. Motor: Fully enclosed squirrel cage motor, small size, large torque, small inertia, insulation class F, built-in overheating protection switch, can prevent overheating to damage the motor. 3. Manual structure: The design of the hand wheel is safe, reliable, labor-saving and small in size. When the power is off, the clutch handle can be operated manually. When energized, the clutch automatically resets. (Note: When the motor is not energized, the electric actuator will maintain a permanent manual state) 4. Indicator: The indicator is installed on the central axis, and the valve position can be observed. The mirror surface is designed with a convex lens, which does not accumulate water and makes observation more convenient. 5. Dryer: used to control the temperature, prevent moisture condensation inside the actuator due to temperature and weather changes, and keep the internal electrical components dry. 6. Limit switch: mechanical and electronic dual limit. The mechanical limit screw is adjustable, safe and reliable; the electronic limit switch is controlled by a cam mechanism, and the simple adjustment mechanism can accurately and conveniently set the position without battery support. (The micro switch contacts are all silver contacts). Explosion-proof electric ball valve model Q941F shell waterproof level IP67, NEMA4 and 6 motor power supply 110/220V AC 1PH, 380/440V AC 3PH, 50/60Hz, ±10% control power supply 110/220V AC 1PH, 50/60 Hz, ±10% Motor squirrel cage asynchronous motor limit switch 2 X on/off, SPDT, 250V AC 10A auxiliary limit switch 2 X on/off, SPDT, 250V AC 10A except QT-010 torque switch on/off, SPDT, 250V AC 10A Except QT-010 stroke 90°±10°0°~110° Stall protection/operating temperature built-in thermal protection, open 150°C ±5°C /close 97°C ±15°C explosion-proof electric ball valve installation 1. Installation: bottom installation size conforms to ISO5211 international standard, the drive shaft sleeve can be removed for processing as required, with strong adaptability. It can be installed vertically or horizontally. 2. Circuit: The control circuit conforms to the single-phase or three-phase power supply standard, the circuit layout is compact and reasonable, and the wiring terminals can effectively meet the requirements of various additional functions. The valve switch in place has passive contact output (can be processed separately according to customer requirements.) 3. Intelligent module: adopts a high integration, low power consumption single-chip microcomputer and analog circuit mixed control board, and adopts all-metal external mounting, Effectively isolate the heat source of the actuator motor from the control board, which greatly improves the anti-interference performance and temperature resistance of the software and hardware. 4. Digital display of valve position: During the opening or closing of the actuator, the change of valve position is displayed in real time on the LCD screen in large numbers. 5. Automatic phase sequence adjustment: The intelligent actuator automatically detects the phase sequence of the connected three-phase power supply, without the user having to consider the phase sequence of the three-phase power supply.
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