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Weba failed butterfly valve by applying FMEA tools as well to develop and recommend an action plan. 2.Literature Review 2.1 Butterfly Valve Butterfly valves are mostly used in various industries such as water distribution, sewage, and oil and gas plant. It is commonly used as control equipment in WebButterfly valves are lightweight, have the least parts, and require little support. Similarly, they are cheaper than ball valves, especially beyond a certain diameter size. However, they aren’t suitable for high-pressure applications since high-pressure differences between the valve’s seal and the sides make it difficult to open the valve. toyota seal packing 103

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