Pipe is measured in Nominal Pipe Size (NPS). This is a standard set up based upon different “schedules”. The term schedule refers to the wall thickness of the pipe; therefore, a higher schedule number...
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When the Tri-Clamp sanitary union was invented, the original sizes were 1-½” through 4”. Each size had its own unique clamp and gasket. After the initial introduction of the Tri-Clamp connection, it was decided that...
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