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Ductile Iron Pipe Reference

Select Mechanical or Inflatable Pipe Plugs based on the
below pipe ID and along with the pressure to be blocked

(PETERSEN DOES NOT SELL PIPE)

The following tables represent typical pipe inner diameters

Nominal Size Ductile Iron Class 50 Ductile Iron Class 51 Ductile Iron Class 52 Ductile Iron Class 53 Ductile Iron Class 54 Ductile Iron Class 55 Ductile Iron Class 56 Asbestos Cement ASTM C-428 RCP ASTM C-361 Non-Reinforced Concrete Pipe ASTM C-14
3" 3.460 3.400 3.340 3.280 3.220 3.160
3 1/2"
4" 4.280 4.220 4.160 4.100 4.040 3.980 4.000
±0.250
4.000
±0.187
5"
6" 6.400 6.340 6.280 6.220 6.160 6.100 6.040 6.000
±0.250
6.000
±0.187
7"
8" 8.510 8.450 8.390 8.330 8.270 8.210 8.150 8.000
±0.250
8.000
±0.187
9"
10" 10.520 10.460 10.400 10.340 10.280 10.220 10.160 10.000
±0.250
12" 12.580 12.520 12.460 12.400 12.340 12.280 12.220 12.000
±0.250
12.000
±0.180
12.000
±0.187
13"
14" 14.640 14.580 14.520 14.460 14.400 14.340 14.280 14.000
±0.250
15" 15.000
±0.250
15.000
±0.225
15.000
±0.250
16" 16.720 16.660 16.600 16.540 16.480 16.420 16.360 16.000
±0.250
18" 18.800 18.740 18.680 18.620 18.560 18.500 18.440 18.800
±0.280
18.800
±0.270
18.800
±0.250
20" 20.880 20.820 20.760 20.700 20.640 20.580 20.520 ±20.000
±0.300
21" 21.000
±0.310
21.000
±0.315
21.000
±0.312
21 1/2"
22"
24" 25.040 24.980 24.920 24.860 24.800 24.740 24.680 24.000
±0.360
24.000
±0.360
24.000
±0.312
27" 27.000
±0.400
27.000
±0.375
30" 31.220 31.140 31.060 30.980 30.900 30.820 30.740 30.000
±0.450
30.000
±0.375
30.000
±0.375
33" 33.000
±0.490
33.000
±0.375
36" 37.440 37.340 37.240 37.140 37.040 36.940 36.840 36.000
±0.540
36.000
±0.375
36.000
±0.375
39"