Product Manual

!
Table A4: Standard Classes of Ductile Iron Pipe
!
Nominal Pipe
!
Size
!
(in)
Outer
!
Diameter
!
(in)
Pipe Wall Thickness (in)
Class 50 Class 51 Class 52 Class 53 Class 54 Class 55 Class 56
3 3.96
!
0.25 0.28 0.31 0.43 0.37 0.40
4 4.80
!
0.26 0.29 0.32 0.35 0.38 0.41
6 6.90 0.25 0.28 0.31 0.34 0.37 0.40 0.43
8 9.05 0.27 0.30 0.33 0.36 0.39 0.42 0.45
10 11.10 0.29 0.32 0.35 0.38 0.44 0.47
!
12 13.20 0.31 0.34 0.37 0.40 0.43 0.46 0.49
14 15.30 0.33 0.36 0.39 0.42 0.45 0.48 0.51
16 17.40 0.34 0.37 0.40 0.43 0.46 0.49 0.52
18 19.50 0.35 0.38 0.41 0.44 0.47 0.50 0.53
20 21.60 0.36 0.39 0.42 0.45 0.48 0.51 0.54
24 25.80 0.38 0.41 0.44 0.47 0.50 0.53 0.56
30 32.00
! ! !
0.51 0.55 0.59 0.63
32 38.30
! ! !
0.58 0.63 0.68 0.73
42 44.50
! ! !
0.65 0.71 0.77 0.83
48 50.80
! ! !
0.72 0.79 0.86 0.93
54 57.10
! ! !
0.81 0.89 0.97 1.05