A flapper is a hinged or flexible component in flapper-nozzle assemblies that regulates fluid flow by modulating the gap between itself and a nozzle.
A flapper is a critical component in pneumatic and hydraulic flapper-nozzle assemblies, typically a thin, flat, or slightly curved element that moves relative to a fixed nozzle. It functions as a variable orifice by changing the distance between its surface and the nozzle opening, thereby controlling the flow rate, pressure, or backpressure in the system. This movement is often actuated by an input signal, such as a force, displacement, or pressure differential, making it essential for precise fluid control in industrial applications.
诱因 → 失效模式 → 工程缓解
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The flapper modulates the gap between itself and the nozzle to control fluid flow or pressure, acting as a variable orifice for precise regulation in control systems.
Material affects durability, corrosion resistance, and compatibility with fluids. For example, stainless steel is used in harsh environments, while plastics offer chemical resistance and low friction.
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