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ASME B16.5 refers to a standard that covers pipe flanges and flanged fittings for sizes ranging from ½ inch to 24 inches in nominal pipe size. The "class" designation indicates the pressure-temperature ratings of the flanges, with common classes being 150, 300, 600, 900, 1500, and 2500. Each class corresponds to specific pressure limits at designated temperatures, ensuring that flanges can safely handle the operating conditions of the piping system.

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AnswerBot

1w ago

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