Table 7 AWWA C207-18 Class B Blind Flanges On Coastal Flange

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All dimensions are in inches.
Blind flanges shall be machined with center island to match the mating flange.

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Item #	Nominal Pipe Size	Working Pressure	Outside Diameter (A)	Minimum Thickness (T)	Approximate Weight	Number of Bolt Holes	Diameter of Bolt Holes	Diameter of Bolt Circle (C)

04BLIBAWW	N/A 4	N/A 86 psi	N/A 9.00 in	N/A 0.63 in	N/A 5 lb	N/A 8	N/A 0.75 in	N/A 7.50 in
05BLIBAWW	N/A 5	N/A 86 psi	N/A 10.00 in	N/A 0.63 in	N/A 7 lb	N/A 8	N/A 0.88 in	N/A 8.50 in
06BLIBAWW	N/A 6	N/A 86 psi	N/A 11.00 in	N/A 0.69 in	N/A 8 lb	N/A 8	N/A 0.88 in	N/A 9.50 in
08BLIBAWW	N/A 8	N/A 86 psi	N/A 13.50 in	N/A 0.69 in	N/A 11 lb	N/A 8	N/A 0.88 in	N/A 11.75 in
10BLIBAWW	N/A 10	N/A 86 psi	N/A 16.00 in	N/A 0.69 in	N/A 52 lb	N/A 12	N/A 1.00 in	N/A 14.25 in
12BLIBAWW	N/A 12	N/A 86 psi	N/A 19.00 in	N/A 0.72 in	N/A 68 lb	N/A 12	N/A 1.00 in	N/A 17.00 in
14BLIBAWW	N/A 14	N/A 86 psi	N/A 21.00 in	N/A 0.79 in	N/A 90 lb	N/A 12	N/A 1.13 in	N/A 18.75 in
16BLIBAWW	N/A 16	N/A 86 psi	N/A 23.50 in	N/A 0.89 in	N/A 125 lb	N/A 16	N/A 1.13 in	N/A 21.25 in
18BLIBAWW	N/A 18	N/A 86 psi	N/A 25.00 in	N/A 0.95 in	N/A 149 lb	N/A 16	N/A 1.25 in	N/A 22.75 in
20BLIBAWW	N/A 20	N/A 86 psi	N/A 27.50 in	N/A 1.04 in	N/A 207 lb	N/A 20	N/A 1.25 in	N/A 25.00 in
22BLIBAWW	N/A 22	N/A 86 psi	N/A 29.50 in	N/A 1.13 in	N/A 255 lb	N/A 20	N/A 1.38 in	N/A 27.25 in
24BLIBAWW	N/A 24	N/A 86 psi	N/A 32.00 in	N/A 1.22 in	N/A 320 lb	N/A 20	N/A 1.38 in	N/A 29.50 in
26BLIBAWW	N/A 26	N/A 86 psi	N/A 34.25 in	N/A 1.31 in	N/A 390 lb	N/A 24	N/A 1.38 in	N/A 31.75 in
28BLIBAWW	N/A 28	N/A 86 psi	N/A 36.50 in	N/A 1.40 in	N/A 470 lb	N/A 28	N/A 1.38 in	N/A 34.00 in
30BLIBAWW	N/A 30	N/A 86 psi	N/A 38.75 in	N/A 1.48 in	N/A 546 lb	N/A 28	N/A 1.38 in	N/A 36.00 in
32BLIBAWW	N/A 32	N/A 86 psi	N/A 41.75 in	N/A 1.58 in	N/A 686 lb	N/A 28	N/A 1.63 in	N/A 38.50 in
34BLIBAWW	N/A 34	N/A 86 psi	N/A 43.75 in	N/A 1.66 in	N/A 787 lb	N/A 32	N/A 1.63 in	N/A 40.50 in
36BLIBAWW	N/A 36	N/A 86 psi	N/A 46.00 in	N/A 1.75 in	N/A 913 lb	N/A 32	N/A 1.63 in	N/A 42.75 in
38BLIBAWW	N/A 38	N/A 86 psi	N/A 48.75 in	N/A 1.85 in	N/A 1079 lb	N/A 32	N/A 1.63 in	N/A 45.25 in
40BLIBAWW	N/A 40	N/A 86 psi	N/A 50.75 in	N/A 1.93 in	N/A 1215 lb	N/A 36	N/A 1.63 in	N/A 47.25 in
42BLIBAWW	N/A 42	N/A 86 psi	N/A 53.00 in	N/A 2.02 in	N/A 1382 lb	N/A 36	N/A 1.63 in	N/A 49.50 in
44BLIBAWW	N/A 44	N/A 86 psi	N/A 55.25 in	N/A 2.11 in	N/A 1563 lb	N/A 40	N/A 1.63 in	N/A 51.75 in
46BLIBAWW	N/A 46	N/A 86 psi	N/A 57.25 in	N/A 2.19 in	N/A 1737 lb	N/A 40	N/A 1.63 in	N/A 53.75 in
48BLIBAWW	N/A 48	N/A 86 psi	N/A 59.50 in	N/A 2.29 in	N/A 1948 lb	N/A 44	N/A 1.63 in	N/A 56.00 in
50BLIBAWW	N/A 50	N/A 86 psi	N/A 61.75 in	N/A 2.38 in	N/A 2176 lb	N/A 44	N/A 1.88 in	N/A 58.25 in

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