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Pipe - DI, ANSI, Pressure Class Thickness (in)

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Pipe - DI, ANSI, Pressure Class Thickness (in)

  • This is for the nominal thickness for standard pressure classes of ductile iron pipe.
  • Dimensions and weights of pressure classes are found at Pipe - DI, ANSI, Pressure Class

Pipe Size

(NPS)

Outside Diameter

(in)

Thickness Class (in)
50515253545556
3 3 31/32 - 0.25 0.28 0.31 0.34 0.37 0.40
4 4 13/16 - 0.26 0.29 0.32 0.35 0.38 0.41
6 6 29/32 0.25 0.28 0.31 0.34 0.37 0.40 0.43
8 9 1/16 0.27 0.30 0.33 0.36 0.39 0.42 0.45
10 11 3/32 0.29 0.32 0.35 0.38 0.41 0.44 0.47
12 13 3/16 0.31 0.34 0.37 0.40 0.43 0.46 0.49
14 15 5/16 0.33 0.36 0.39 0.42 0.45 0.48 0.51
16 17 13/32 0.34 0.37 0.40 0.43 0.46 0.49 0.52
18 19 1/2 0.35 0.38 0.41 0.44 0.47 0.50 0.53
20 21 19/32 0.36 0.39 0.42 0.45 0.48 0.51 0.54
24 25 13/16 0.38 0.41 0.44 0.47 0.50 0.53 0.56
30 32 0.39 0.43 0.47 0.51 0.55 0.59 0.63
36 38 5/16 0.43 0.48 0.53 0.58 0.63 0.68 0.73
42 44 1/2 0.47 0.53 0.59 0.65 0.71 0.77 0.83
48 50 13/16 0.51 0.58 0.65 0.72 0.79 0.86 0.93
54 57 9/16 0.57 0.65 0.73 0.81 0.89 0.97 1.05

 

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