AWWA C228-08 Stainless-Steel Ring Flanges Add Flanges

Class SF

AWWA C228 SS Ring SF
Nominal Size Outside Diameter
(OD)
ID of Flange - Pipe
(ID)
ID of Flange - Tube
(ID)
No. of Bolt Holes Bolt Circle
(BC)
Diameter Of Holes Thickness
(T)
4 10.00 4.57 4.03 8 7.88 0.875 1.13
5 11.00 5.66 5.03 8 9.25 0.875 1.21
6 12.50 6.72 6.03 12 10.62 0.875 1.31
8 15.00 8.72 8.03 12 13.00 1.00 1.31
10 17.50 10.88 10.03 16 15.25 1.125 1.50
12 20.50 12.88 12.06 16 17.75 1.25 1.63
14 23.00 14.19 - 20 20.25 1.25 1.94
16 25.50 16.19 - 20 22.50 1.375 2.14
18 28.00 18.19 - 24 24.75 1.375 2.25
20 30.50 20.19 - 24 27.00 1.375 2.33
22 33.00 22.19 - 24 29.25 1.375 2.50
24 36.00 24.19 - 24 32.00 1.625 2.69
26 38.25 26.25 - 28 34.50 1.875 3.00
28 40.75 28.25 - 28 37.00 1.875 3.13
30 43.00 30.25 - 28 39.25 1.875 3.15
32 45.25 32.25 - 28 41.50 1.875 3.25
34 47.50 34.25 - 28 43.50 1.875 3.38
36 50.00 36.25 - 32 46.00 2.125 3.46
38 52.25 38.25 - 32 48.00 2.125 3.50
40 54.25 40.25 - 36 50.25 2.125 3.63
42 57.00 42.25 - 36 52.75 2.125 3.81
44 59.25 44.25 - 36 55.00 2.125 4.00
46 61.50 46.25 - 40 57.25 2.125 4.13
48 65.00 48.25 - 40 60.75 2.125 4.50

Notes

Dimensions are in inches
300 PSI Pressure Rating for Water Service