Honeywell 2002-400-090-126-385-20-100000-1-0-00

Overview

Honeywell 2002-400-090-126-385-20-100000-1-0-00 is an electric rotary actuator specifically designed for three-quarter turn (90°) valves such as butterfly valves and damper valves. It adopts a standard on/off control method, and is equipped with manual reset, visual position indication and IP67 protection rating. It is suitable for scenarios including HVAC, industrial automation and process control.

Main Specifications

• Torque: 400 Nm (rated)
• Rotation angle: 90° (three-quarter turn)
• Power supply: 230 VAC (24 VDC optional)
• Control method: On-Off signal, with dry contact output
• Manual reset: Non-clutch manual reset, allowing direct manual adjustment of valve position after power failure
• Indication device: Mechanical visual position indicator, facilitating quick on-site confirmation of valve status
• Protection rating: IP67, dust-proof and waterproof, suitable for harsh environments
• Additional functions: Condensation prevention heater, two auxiliary limit switches (standard configuration)

Product Features

• High reliability: Adopts irreversible helical gear transmission to prevent accidental rotation; IP67 enclosure ensures protection performance for long-term operation.
• Easy installation: Standard flange interface (DN 50-DN 500, PN16), enabling direct replacement of existing valve actuators.
• Convenient maintenance: No additional tools are required for manual reset, and the mechanical position indicator eliminates the need for maintenance of additional sensors.
• Versatility: Equipped with dry contact output and two auxiliary limit switches, facilitating linkage with upper-level systems.
• Energy efficiency: Heating function is only provided when needed, reducing energy consumption.

Structure and Composition

• Motor: Driven by a low-voltage motor, providing a rated torque of 400 Nm.
• Gearbox: Irreversible helical gear, ensuring the valve maintains its position after power failure.
• Enclosure: Metal protective shell, complying with IP67 standard.
• Manual reset mechanism: Non-clutch handle, allowing direct manual adjustment after power failure.
• Position indicator: Mechanical pointer or window-type indicator, showing the on/off status of the valve.
• Auxiliary switch: Two limit switches (optional), providing additional safety protection.
• Condensation prevention heater: Built-in electric heating element, preventing the valve from freezing in low-temperature environments.

Typical Application Fields

• HVAC: Controls large-diameter butterfly valves and damper valves to realize the on/off of cold and hot water, and steam systems.
• Industrial process control: Used for valve automation in industries such as chemical engineering, petroleum and energy.
• Building automation: Ventilation, air conditioning and heating valves in building automation systems.
• Water treatment and wastewater treatment: Adjusts valve flow to ensure the safe operation of the system.

Installation and Maintenance Points

1. Pre-installation inspection: Confirm that the valve flange size and pressure rating (PN16) match the actuator flange.
2. Electrical wiring: Wire according to the power supply voltage (230 VAC or 24 VDC), and ensure the dry contact corresponds to the control cabinet signal.
3. Manual reset test: In the power-off state, use the manual reset handle to check whether the valve can be adjusted smoothly.
4. Position indication calibration: Calibrate the mechanical indicator after installation to ensure the indication is consistent with the actual valve position.
5. Regular inspection: Check the lubrication of the helical gear, the function of the heater and the working status of the limit switch every 6-12 months.
6. Protection and maintenance: Keep the enclosure clean to prevent dust and corrosive substances from entering; if used in extreme environments, it is recommended to install an additional protective cover.

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