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AWWA C542

Electric Motor Actuators for Valves and Slide Gates

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Organization: AWWA
Publication Date: 16 January 2016
Status: active
Page Count: 36
scope:

This standard describes electric motor actuators for valves and slide gates in water, wastewater, and reclaimed water utility systems. Electric motor actuators are designed to produce a multiturn rotary motion output to actuate a multiturn valve or gate or to actuate an external gearhead for quarter-turn valves. Electric motor actuators not requiring external gearheads for quarter-turn valves are defined in Sec. 4.4.1.2.

Actuator function. Actuators shall produce a rotary or linear motion to activate a valve or slide gate in open-close, throttling, or modulating service.

Excluded actuators. The following types of actuators are not included in this standard: Motor actuators using water, oil, or a gas as the driver medium.

Other exclusions. This standard does not include the following:

1. Electric/electronic controls for electric motor actuators contained within separate enclosures at a location remote from the actuator or actuator floor stand.

2. Intermediate gearhead or mechanism (nonintegral to actuator) between electric actuator output and valve/gate stem or shaft is defined in Sec. 4.4.1.2, style (1).

Purpose

The purpose of this standard is to define the minimum requirements for electric motor actuators for valves and slide gates, including sizing considerations, design, testing, delivery, handling, and storage.

Document History

AWWA C542
January 16, 2016
Electric Motor Actuators for Valves and Slide Gates
This standard describes electric motor actuators for valves and slide gates in water, wastewater, and reclaimed water utility systems. Electric motor actuators are designed to produce a multiturn...
January 25, 2009
Electric Motor Actuators for Valves and Slide Gates
This standard describes electric motor actuators for valves and slide gates in water, wastewater, and reclaimed water utility systems. Electric motor actuators are designed to produce a multiturn...

References

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