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MDC Large-Flange™ ISO LF flanges are available in nine standard maximum tube sizes including 2-1/2", 3", 4", 6", 8", 10", 12-3/4", 16" and 20" diameters. Each of these basic flanges are also offered in blanked formats which are suitable for custom modification or to blank-off unused chamber ports. Typically, U.S. tube sizes are specified in inches and identified by their outside diameters. MDC standard ISO LF flange size designations are as follows...
L250 for 2.50", L300 for 3.00", L400 for 4.00", L600 for 6.00", L800 for 8.00", L1000 for 10.0", L1200 for 12.75", L1600 for 16.0" and L2000 for 20.0" tube diameters.
In general, MDC components compare with international components using an inch-to millimeter ratio. U.S. sizes refer to a tube’s outside diameter, whereas international sizes refer to a tube’s inside diameter. The chart on the right side gives a quick comparison between inch and metric ISO flange sizes.
Inch-Metric ISO Comparision
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