Butterfly Valve Types, Parts & Working Principle – Complete 2025 Guide

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Introduction to Butterfly Valves A butterfly valve is a quarter-turn valve used to control or isolate fluid flow in pipelines.It features a disc mounted on a rotating shaft. When turned 90°, the disc either allows fluid to pass or blocks it completely. Butterfly valves are popular for: Related: [Lug Type, Flanged & Stainless Steel Butterfly … Read more