What is the nominal diameter of the phi 1/2 in the pipe joint?
1 inches =25.4mm.1/2 "- 4 thiophene, 3/4" - 6 thiophene, etc..Pipe, pipe thread and machining are often used in these old units, but they are not legal units of measurement in our country.Installation industry and business are commonly used in this unit.
1/4, 1/2, 1/8 is the nominal diameter of inch inch, inch in inches1/2 inches, usually read as "four thiophene"".
One foot (25.4mm) is divided into eight parts, 1/4, that is, 2/8 is two in charge, 1/8 is 1 in charge, 3/8 is 3 in charge, 1/2 is 4 in charge, in order to calculate nominal diameter
