Dimensions AWWA‎‏ C207 F
Carbon Steel‎‏ Ring‎‏ Flanges

Carbon Steel Flanges

AWWA Class F Carbon Steel Ring Flanges are manufactured to meet AWWA C207 and ANSI 300lbs drill pattern specifications. At atmospheric temperature, this ring flange is pressure rated up to 300psi.
Size	O.D.	I.D.	B.H.C.	B.H. Dia.	B.H. No.	THK	Weight Lbs
4	10.00	4.57	7.88	0.875	8	1.130	18.4
5	11.00	5.66	9.25	0.875	8	1.210	22.3
6	12.50	6.73	10.62	0.875	12	1.310	29.7
8	15.00	8.73	13.00	1.000	12	1.310	39.9
10	17.50	10.88	15.25	1.125	16	1.500	56.0
12	20.50	12.88	17.75	1.250	16	1.630	83.2
14	23.00	14.19	20.25	1.250	20	1.940	128.0
16	25.50	16.19	22.50	1.375	20	2.140	166.8
18	28.00	18.19	24.75	1.375	24	2.250	204.2
20	30.50	20.19	27.00	1.375	24	2.330	247.4
22	33.00	22.19	29.25	1.375	24	2.500	306.7
24	36.00	24.19	32.00	1.625	24	2.690	387.6
26	38.25	26.19	34.50	1.875	28	3.000	451.0
28	40.75	28.19	37.00	1.875	28	3.130	532.2
30	43.00	30.19	39.25	1.875	28	3.150	585.7
32	45.25	32.19	41.50	1.875	28	3.250	657.5
34	47.50	34.19	43.50	1.875	28	3.380	840.7
36	50.00	36.19	46.00	2.125	32	3.460	801.9
38	52.25	38.19	48.00	2.125	32	3.500	874.3
40	54.25	40.19	50.25	2.125	36	3.630	937.4
42	57.00	42.19	52.75	2.125	36	3.810	1103.4
44	59.25	44.19	55.00	2.125	36	4.000	1237.2
46	61.50	46.19	57.25	2.125	40	4.130	1360.8
48	65.00	48.19	60.75	2.125	40	4.500	1736.8

Notes..

Dimensions are in inches unless otherwise specified.
O.D. = Outside Diameter
I.D. = Inside Diameter
B.H.C. = Bolt Hole Circle
B.H. Dia. = Bolt Hole Diameter
B.H. No. = Number of Bolt Holes
THK = Thickness
Steel material meets the requirements of AWWA C207 specifications, however, other materials are available.

Reference(s) ..
www.awwa.org
https://apiint.com