Quote:
Originally Posted by Nate Laverdure
Nominal Pipe Size
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No, actually in this context it is National Pipe Straight as I said.
From ANSI B1.20.1 "Pipe Threads, General Purpose", Section 1.2 Thread Designations:
1.2.2 Each of these letters in the symbols has a definite significance as follows:
N = National (American) Standard
P = Pipe
T = Taper
c = coupling
S = Straight
M = Mechanical
L = Locknut
H = Hose Coupling
R = Railing Fittings
Not to be confused with nominal pipe size (NPS); pneumatics generally uses tubing, which is specified by OD, not NPS.