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...Also included is a little tool to calculate the pitch diameter of a thread based on a measurement with three wires.
Supports the threading standards M, G, R, BSW, BSF, UNC, UNF, UNEF and tapered Pipe R/Rc and Metrical threads. New: NPSM, NPT, NPTF, NPSC, NPSF.
Includes an improved version of the Mach3 M1076.m1s threading macro and a matching screenset.
Try also the Feed Calculator: www.sourceforge.net/p/feedcalculator
Starting off as a simple LISP command in AutoCAD this HAVC pipe size calculator was migrated to a standalone Java application.
Calculates HVAC minimum pipe ID based on GPM and FPS for numerous fluid types (found in the fluid density chart on EngineeringToolbox.com)
Includes a table to automatically calculate riser piping sizes per floor.
Read the README.txt file included in PipeSize.zip for instructions.