Dimensions AWWA‎‏ C228 SE
Stainless Steel‎‏ Blind‎‏ Flanges

Stainless Steel Flanges

AWWA Class SE Stainless Steel Blind Flanges are manufactured to meet AWWA C228 and ANSI 150lbs drill pattern specifications. At atmospheric temperature, this Blind flange is pressure-rated to 275psi.
Size	O.D.	B.H.C.	B.H. Dia.	B.H. No.	THK	Weight Lbs
4	9.00	7.50	0.750	8	1.125	19.0
5	10.00	8.50	0.875	8	1.188	24.0
6	11.00	9.50	0.875	8	1.313	33.0
8	13.50	11.75	0.875	8	1.500	58.0
10	16.00	14.25	1.000	12	1.563	84.0
12	19.00	17.00	1.000	12	1.750	135.0
14	21.00	18.75	1.125	12	1.875	176.0
16	23.50	21.25	1.125	16	2.000	234.0
18	25.00	22.75	1.250	16	2.125	283.0
20	27.50	25.00	1.250	20	2.375	382.0
22	29.50	27.25	1.375	20	2.500	462.0
24	32.00	29.50	1.375	20	2.625	575.0
26	34.25	31.75	1.375	24	2.750	689.0
28	36.50	34.00	1.375	28	2.750	782.0
30	38.75	36.00	1.375	28	2.875	926.0
32	41.75	38.50	1.625	28	3.000	1113.0
34	43.75	40.50	1.625	32	3.050	1241.0
36	46.00	42.75	1.625	32	3.209	1450.0
38	48.75	45.25	1.625	32	3.394	1730.0
40	50.75	47.25	1.625	36	3.533	1949.0
42	53.00	49.50	1.625	36	3.695	2230.0
44	55.25	51.75	1.625	40	3.857	2528.0
46	57.25	53.75	1.625	40	3.997	2819.0
48	59.50	56.00	1.625	44	4.159	3167.0
50	61.75	58.25	1.875	44	4.327	3520.0
52	64.00	60.50	1.875	44	4.489	3935.0
54	66.25	62.75	1.875	44	4.651	4380.0
60	73.00	69.25	1.875	52	5.116	5855.0
66	80.00	76.00	1.875	52	5.601	7745.0
72	86.50	82.50	1.875	60	6.066	9810.0

Notes..

Dimensions are in inches unless otherwise specified.
O.D. = Outside 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