AWWA C207-18 Class F RING and BLIND FLANGES Add Flanges

Nominal Size	Outside Diameter (OD)	Slip-on Bore (ID)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	Thickness - Slip-on (T)	Thickness - Blind (T)	Weight Each - Slip-on (lbs)	Weight Each - Blind (lbs)
4	10.00	4.57	8	0.875	7.88	1.13	1.130	18.4	23.6
5	11.00	5.66	8	0.875	9.25	1.21	1.210	22.3	30.9
6	12.50	6.72	12	0.875	10.62	1.31	1.310	29.7	42.9
8	15.00	8.72	12	1.000	13.00	1.31	1.310	39.9	62.1
10	17.50	10.88	16	1.125	15.25	1.50	1.500	56.0	95.5
12	20.50	12.88	16	1.250	17.75	1.63	1.630	83.2	143.4
14	23.00	14.19	20	1.250	20.25	1.94	1.940	128.0	214.9
16	25.50	16.19	20	1.375	22.50	2.14	2.140	166.8	291.7
18	28.00	18.19	24	1.375	24.75	2.25	2.250	204.2	369.8
20	30.50	20.19	24	1.375	27.00	2.33	2.330	247.4	458.8
22	33.00	22.19	24	1.375	29.25	2.50	2.500	306.7	580.6
24	36.00	24.19	24	1.625	32.00	2.69	2.690	387.6	737.9
26	38.25	26.19	28	1.875	34.50	3.00	3.000	451.0	911.0
28	40.75	28.19	28	1.875	37.00	3.13	3.130	532.2	1088.0
30	43.00	30.19	28	1.875	39.25	3.15	3.166	585.7	1233.3
32	45.25	32.19	28	1.875	41.50	3.25	3.332	657.5	1445.2
34	47.50	34.19	28	1.875	43.50	3.38	3.475	740.7	1668.6
36	50.00	36.19	32	2.125	46.00	3.46	3.671	801.9	1924.2
38	52.25	38.19	32	2.125	48.00	3.50	3.815	874.3	2195.0
40	54.25	40.19	36	2.125	50.25	3.63	3.982	937.4	2463.8
42	57.00	42.19	36	2.125	52.75	3.81	4.171	1103.4	2864.7
44	59.25	44.19	36	2.125	55.00	4.00	4.338	1237.2	3231.9
46	61.50	46.19	40	2.125	57.25	4.13	4.505	1360.8	3628.7
48	65.00	48.19	40	2.125	60.75	4.50	4.781	1736.8	4322.1

Dimensions in inches
300 PSI Pressure Rating for water service