Which distribution valve is NOT classified as rotary valve?

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Prepare for the ADEQ Water Distribution Grade 1 Exam with in-depth quizzes and comprehensive questions, each accompanied by detailed explanations. Ensure success with the most up-to-date resources available for certification.

Multiple Choice

Which distribution valve is NOT classified as rotary valve?

Explanation:
Rotary valves close by rotating the closure member. A ball valve uses a spherical ball that turns to open or block the flow, and a butterfly valve uses a disc that rotates on a shaft to do the same. A gate valve, on the other hand, moves a gate straight up and down to uncover or cover the flow path, with no rotation of the closure element. Because the closure moves linearly rather than rotating, it is not classified as a rotary valve. Therefore, the gate valve is the valve among these options that is not rotary.

Rotary valves close by rotating the closure member. A ball valve uses a spherical ball that turns to open or block the flow, and a butterfly valve uses a disc that rotates on a shaft to do the same. A gate valve, on the other hand, moves a gate straight up and down to uncover or cover the flow path, with no rotation of the closure element. Because the closure moves linearly rather than rotating, it is not classified as a rotary valve. Therefore, the gate valve is the valve among these options that is not rotary.

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