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AWWA C228-14 Stainless Steel Blind Flanges

Classes SA, SB, SD, SE, SF

AWWA C228-08 Stainless Steel Blind Flanges Classes SA, SB, SD, SE, SFAWWA C228-14 Stainless Steel Blind Flanges Classes SA, SB, SD, SE, SF
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Nom
Pipe Size
Class SA
50 psi
Class SB
86 psi
Class SD
150 psi
Class SE
275 psi
Class SF
300 psi
2 0.50 NA NA NA NA
2.5 0.50 NA NA NA NA
3 0.50 NA NA NA NA
4 0.50 0.625 0.625 1.125 1.13
5 0.50 0.625 0.65 1.188 1.21
6 0.50 0.688 0.693 1.313 1.31
8 0.50 0.688 0.8125 1.5 1.31
10 Use class SB 0.688 0.953 1.563 1.5
12 Use class SB 0.719 1.117 1.75 1.63
14 Use class SB 0.791 1.133 1.875 1.94
16 Use class SB 0.892 1.265 2 2.14
18 Use class SB 0.95 1.331 2.125 2.25
20 Use class SB 1.04 1.148 2.375 2.33
22 Use class SB 1.132 1.568 2.5 2.5
24 Use class SB 1.216 1.661 2.625 2.69
26 Use class SB 1.307 1.786 2.75 3
28 Use class SB 1.398 1.906 2.75 3.13
30 Use class SB 1.477 2.008 2.875 3.166
32 Use class SB 1.581 2.15 3 3.332
34 Use class SB 1.661 2.252 3.05 3.475
36 Use class SB 1.751 2.37 3.209 3.671
38 Use class SB 1.853 2.506 3.394 3.815
40 Use class SB 1.933 2.609 3.533 3.982
42 Use class SB 2.023 2.729 3.695 4.171
44 Use class SB 2.114 2.849 3.857 4.338
46 Use class SB 2.194 2.952 3.997 4.505
48 Use class SB 2.285 3.072 4.159 4.781
50 Use class SB 2.377 3.196 4.327 -
52 Use class SB 2.468 3.315 4.489 -
54 Use class SB 2.559 3.435 4.651 -
60 Use class SB 2.82 1.779 5.116 -
66 Use class SB 3.092 4.136 5.601 -

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