Cement-Lined Ductile Iron Pipe Thickness Class

Petersen Does Not Sell Pipe

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

Diameters, Circumferences and Areas for Thickness Class Ductile Iron Standard Cement-Lined Pipe

Nominal Size Inches	Outside Diameter Inches	Inside Diameter Inches
3	3.96	3.33
4	4.80	4.15
6	6.90	6.27
8	9.05	8.38
10	11.10	10.39
12	13.20	12.45
14	15.30	14.45
16	17.40	16.53
18	19.50	18.61
20	21.60	20.69
24	25.80	24.85
30	32.00	30.97
36	38.30	37.19
42	44.50	43.31
48	50.80	49.53
54	57.56	56.17
*Based on ductile iron pipe class 50 nominal thickness for all sizes - except class 51 nominal thickness for 3" and 4" - as specified in awwa c151, and on standard cement lining minimum thickness specified in awwa c104. The value of pi (Π) used in calculations = 3.1416.

Weights For Pipeline Design

Weight Of Thickness Class Ductile Iron Pipe And Contained Water

Thickness Class	Nominal Size Inches	Gallons Held (Per Foot)	Pipe (Pounds Per Foot)	Water (Pounds Per Foot)	Total (Pounds Per Foot)
51	3	0.45	10.1	3.8	13.9
51	4	0.70	12.7	5.9	18.6
50	6	1.60	18.2	13.4	31.6
50	8	2.86	25.8	23.9	49.7
50	10	4.40	33.9	36.7	70.6
50	12	6.32	43.2	52.7	95.9
50	14	8.51	55.1	71.1	126.2
50	16	11.14	64.7	93.0	157.7
50	18	14.12	74.5	117.9	192.4
50	20	17.45	84.8	145.7	230.5
50	24	25.17	106.6	210.1	316.7
50	30	39.10	139.3	326.4	465.7
50	36	56.38	182.6	740.7	653.3
50	42	76.46	229.8	638.3	868.1
50	48	100.00	282.7	834.8	1117.5
50	54	128.61	351.1	1056.2	1407.3
These weights are based on minimum class (thickness class 51 for 3" and 4" and class 50 for 6" through 54") ductile iron pipe with minimum thickness standard cement lining as specified in awwa c104 and on weight of water of 62.4 Pounds per cubic foot. The inside diameters are as given in table 1.

The information may be used but with no warranty or liability. This information is believed to be correct but should always be double checked with alternative sources. Strictly adhere to and follow all applicable national and local regulations and practices.