Greyline Instruments PTFM 1.0 - Pipe Charts

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PTFM 1.0 Portable Transit Time Flow Meter
PIPE CHARTS
Ductile Iron Pipe - Standard Classes
Size OUTSIDE Class Class Class Class Class Class Class CEMENT LINING
INCH DIA. 50 51 52 53 54 55 56 **S TD **DOUBLE
INCH WALL I.D. WALL I.D. WALL I.D. WALL I.D. WALL I.D. WALL I.D. WALL I.D. THICKNES S THICKNESS
3 3.96 0.25 3.46 0.28 3.40 0.31 3.34 0.34 3.28 0.37 3.22 0.41 3.14
4 4.80 0.26 4.28 0.29 4.22 0.32 4.16 0.35 4.10 0.38 4.04 0.44 3.93
6 6.90 0.25 6.40 0.28 6.34 0.31 6.28 0.34 6.22 0.37 6.16 0.40 6.10 0.43 6.04 .125 .250
8 9.05 0.27 8.51 0.30 8.45 0.33 8.39 0.36 8.33 0.39 8.27 0.42 8.21 0.45 8.15
10 11.10 0.39 10.32 0.32 10.46 0.35 10.40 0.38 10.34 0.41 10.28 0.44 10.22 0.47 10.16
12 13.20 0.31 12.58 0.34 12.52 0.37 12.46 0.40 12.40 0.43 12.34 0.46 12.28 0.49 12.22
14 15.30 0.33 14.64 0.36 14.58 0.39 14.52 0.42 14.46 0.45 14.40 0.48 14.34 0.51 14.28
16 17.40 0.34 16.72 0.37 16.66 0.40 16.60 0.43 16.54 0.46 16.48 0.49 16.42 0.52 16.36
18 19.50 0.35 18.80 0.38 18.74 0.41 18.68 0.44 18.62 0.47 18.56 0.50 18.50 0.53 18.44 .1875 .375
20 21.60 0.36 20.88 0.39 20.82 0.42 20.76 0.45 20.70 0.48 20.64 0.51 20.58 0.54 20.52
24 25.80 0.38 25.04 0.41 24.98 0.44 24.92 0.47 24.86 0.50 24.80 0.53 24.74 0.56 24.68
30 32.00 0.39 31.22 0.43 31.14 0.47 31.06 0.51 30.98 0.55 30.90 0.59 30.82 0.63 30.74
36 38.30 0.43 37.44 0.48 37.34 0.62 37.06 0.58 37.14 0.63 37.04 0.68 36.94 0.73 36.84
42 44.50 0.47 43.56 0.53 43.44 0.59 43.32 0.65 43.20 0.71 43.08 0.77 42.96 0.83 42.84 .250 .500
48 50.80 0.51 49.78 0.58 49.64 0.65 49.50 0.72 49.36 0.79 49.22 0.86 49.08 0.93 48.94
54 57.10 0.57 55.96 0.65 55.80 0.73 55.64 0.81 55.48 0.89 55.32 0.97 55.16 1.05 55.00
**REDUCE I.D. BY DIMENSION SHOWN