The STAMPS method is useful for valve manufacturers to help end users make the optimal choice.
Fluid handling presents many of the challenges faced by industries that deal with the transference of media. It is not uncommon to find different fluid states (gas, liquid, slurry or fluidized solid) within a piping system that require a way to control the flow of the fluid.
Strategically placed valves are a powerful means to facilitate, impede or throttle this flow. Due to its versatility, the butterfly valve is one of the most commonly used industrial valves.
A butterfly valve is a quarter-turn bidirectional valve that can be fully opened or closed with a quarter-turn of the disc. The disc control can be a lever, a handwheel, or a pneumatic or electric actuator. Valve designs include zero offset (also referred to as concentric), double offset and triple offset.
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https://www.pumpsandsystems.com/selecting-right-butterfly-valve-your-application
