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AWWA M72

Knife Gate Valves

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Organization: AWWA
Publication Date: 1 January 2020
Status: active
Page Count: 63
scope:

PURPOSE

This manual will explain fundamental concepts and operation of knife gate valves, providing users with a technical background to understand, specify, and install knife gate valves in applications for which they are intended. The information in this manual should be used in conjunction with data from valve manufacturers to select valves and their associated actuation for a given application.

For isolation and control applications, actuator sizing parameters such as thrust will be explained in detail so that the sizing methodologies recommended by valve manufacturers can be applied. It is also important to understand how certain valve application parameters such as flow rate, differential pressure, and direction of flow affect actuator selection and operation. Changes to the flow parameters after the selection and installation of the valve and actuator may affect the actuator's ability to properly operate the valve.

General installation guidelines will be presented to provide users with a basic understanding of startup procedures and enable them to troubleshoot certain valve installation issues, ensuring proper and effective operation of the valve.

Document History

AWWA M72
January 1, 2020
Knife Gate Valves
PURPOSE This manual will explain fundamental concepts and operation of knife gate valves, providing users with a technical background to understand, specify, and install knife gate valves in...
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