Dimensions AWWA‎‏ C228 SF
Stainless Steel‎‏ Ring‎‏ Flanges

Stainless Steel Flanges

AWWA Class SF Stainless Steel Ring Flanges are manufactured to meet AWWA C228 and ANSI 300lbs drill pattern specifications. At atmospheric temperature, this ring flange has a pressure rating of 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	6.72	10.62	0.875	12	1.310	29.7
8	15.00	8.72	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	84.9
14	23.00	14.19	20.25	1.250	20	1.940	127.0
16	25.50	16.19	22.50	1.375	20	2.140	166.0
18	28.00	18.19	24.75	1.375	24	2.250	205.0
20	30.50	20.19	27.00	1.375	24	2.330	247.0
22	33.00	22.19	29.25	1.375	24	2.500	307.0
24	36.00	24.19	32.00	1.625	24	2.690	388.0
26	38.25	26.25	34.50	1.875	28	3.000	450.0
28	40.75	28.25	37.00	1.875	28	3.130	532.0
30	43.00	30.25	39.25	1.875	28	3.150	585.0
32	45.25	32.25	41.50	1.875	28	3.250	657.0
34	47.50	34.25	43.50	1.875	28	3.380	740.0
36	50.00	36.25	46.00	2.125	32	3.460	801.0
38	52.25	38.25	48.00	2.125	32	3.500	873.0
40	54.25	40.25	50.25	2.125	36	3.630	936.0
42	57.00	42.25	52.75	2.125	36	3.810	1102.0
44	59.25	44.25	55.00	2.125	36	4.000	1236.0
46	61.50	46.25	57.25	2.125	40	4.130	1343.0
48	65.00	48.25	60.75	2.125	40	4.500	1717.0

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 C228 specifications, however, other materials are available.

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