Emico Noah Actuation NA Series - User Manual

Details operating environment, temperature range, and enclosure types.

Information on explosion-proof ratings and certification bodies.

Describes the hand/auto declutch type with motor priority.

Explains the worm gear system preventing valve back drive.

Details the 20-watt heater for condensation control.

Covers mechanical, cam-actuated limit switches for valve position.

Explains cam-actuated torque switches for over-torque protection.

Describes the motor with embedded thermal protector.

Details the visual indicator for output shaft position.

Explains mechanical stops protecting against over-travel.

Covers ISO5211 standardization and drive bushing machining.

Provides detailed current ratings and starting currents for various models and voltages.

Identifies external components for specific actuator models.

Identifies external components for larger actuator models.

Identifies internal components of the actuators.

Explains the 'Type' field on the nameplate.

Explains the 'Motor' field on the nameplate.

Explains the 'Ser. No.' field on the nameplate.

Explains the 'Supply' field on the nameplate.

Explains the 'Wir. No.' field on the nameplate.

Explains the 'Option' field on the nameplate.

Details confirmation of explosion proof symbol on the nameplate.

Instructions for separating the drive bushing from the actuator.

Guidance on machining the drive bushing to fit the valve stem.

Table showing maximum bore sizes for drive bushings by model.

Step-by-step guide for assembling butterfly valves with actuators.

Step-by-step guide for assembling ball valves with actuators.

General guide for selecting actuators based on valve size.

Formulas for calculating damper torque for actuator selection.

Detailed steps for setting mechanical limit switch cams.

Instructions for setting dry contact limit switches.

Recommends grease type and periodic re-greasing.

Suggests cycling the actuator for regular checks.