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Table 7 AWWA C207-18 Class B Blind Flanges
Table 7 AWWA Class B, D, E, & F Blind Flanges
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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 | Nominal Pipe Size N/A 4 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 9.00 in | Minimum Thickness (T) N/A 0.63 in | Approximate Weight N/A 5 lb | Number of Bolt Holes N/A 8 | Diameter of Bolt Holes N/A 0.75 in | Diameter of Bolt Circle (C) N/A 7.50 in |
05BLIBAWW | Nominal Pipe Size N/A 5 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 10.00 in | Minimum Thickness (T) N/A 0.63 in | Approximate Weight N/A 7 lb | Number of Bolt Holes N/A 8 | Diameter of Bolt Holes N/A 0.88 in | Diameter of Bolt Circle (C) N/A 8.50 in |
06BLIBAWW | Nominal Pipe Size N/A 6 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 11.00 in | Minimum Thickness (T) N/A 0.69 in | Approximate Weight N/A 8 lb | Number of Bolt Holes N/A 8 | Diameter of Bolt Holes N/A 0.88 in | Diameter of Bolt Circle (C) N/A 9.50 in |
08BLIBAWW | Nominal Pipe Size N/A 8 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 13.50 in | Minimum Thickness (T) N/A 0.69 in | Approximate Weight N/A 11 lb | Number of Bolt Holes N/A 8 | Diameter of Bolt Holes N/A 0.88 in | Diameter of Bolt Circle (C) N/A 11.75 in |
10BLIBAWW | Nominal Pipe Size N/A 10 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 16.00 in | Minimum Thickness (T) N/A 0.69 in | Approximate Weight N/A 52 lb | Number of Bolt Holes N/A 12 | Diameter of Bolt Holes N/A 1.00 in | Diameter of Bolt Circle (C) N/A 14.25 in |
12BLIBAWW | Nominal Pipe Size N/A 12 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 19.00 in | Minimum Thickness (T) N/A 0.72 in | Approximate Weight N/A 68 lb | Number of Bolt Holes N/A 12 | Diameter of Bolt Holes N/A 1.00 in | Diameter of Bolt Circle (C) N/A 17.00 in |
14BLIBAWW | Nominal Pipe Size N/A 14 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 21.00 in | Minimum Thickness (T) N/A 0.79 in | Approximate Weight N/A 90 lb | Number of Bolt Holes N/A 12 | Diameter of Bolt Holes N/A 1.13 in | Diameter of Bolt Circle (C) N/A 18.75 in |
16BLIBAWW | Nominal Pipe Size N/A 16 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 23.50 in | Minimum Thickness (T) N/A 0.89 in | Approximate Weight N/A 125 lb | Number of Bolt Holes N/A 16 | Diameter of Bolt Holes N/A 1.13 in | Diameter of Bolt Circle (C) N/A 21.25 in |
18BLIBAWW | Nominal Pipe Size N/A 18 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 25.00 in | Minimum Thickness (T) N/A 0.95 in | Approximate Weight N/A 149 lb | Number of Bolt Holes N/A 16 | Diameter of Bolt Holes N/A 1.25 in | Diameter of Bolt Circle (C) N/A 22.75 in |
20BLIBAWW | Nominal Pipe Size N/A 20 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 27.50 in | Minimum Thickness (T) N/A 1.04 in | Approximate Weight N/A 207 lb | Number of Bolt Holes N/A 20 | Diameter of Bolt Holes N/A 1.25 in | Diameter of Bolt Circle (C) N/A 25.00 in |
22BLIBAWW | Nominal Pipe Size N/A 22 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 29.50 in | Minimum Thickness (T) N/A 1.13 in | Approximate Weight N/A 255 lb | Number of Bolt Holes N/A 20 | Diameter of Bolt Holes N/A 1.38 in | Diameter of Bolt Circle (C) N/A 27.25 in |
24BLIBAWW | Nominal Pipe Size N/A 24 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 32.00 in | Minimum Thickness (T) N/A 1.22 in | Approximate Weight N/A 320 lb | Number of Bolt Holes N/A 20 | Diameter of Bolt Holes N/A 1.38 in | Diameter of Bolt Circle (C) N/A 29.50 in |
26BLIBAWW | Nominal Pipe Size N/A 26 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 34.25 in | Minimum Thickness (T) N/A 1.31 in | Approximate Weight N/A 390 lb | Number of Bolt Holes N/A 24 | Diameter of Bolt Holes N/A 1.38 in | Diameter of Bolt Circle (C) N/A 31.75 in |
28BLIBAWW | Nominal Pipe Size N/A 28 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 36.50 in | Minimum Thickness (T) N/A 1.40 in | Approximate Weight N/A 470 lb | Number of Bolt Holes N/A 28 | Diameter of Bolt Holes N/A 1.38 in | Diameter of Bolt Circle (C) N/A 34.00 in |
30BLIBAWW | Nominal Pipe Size N/A 30 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 38.75 in | Minimum Thickness (T) N/A 1.48 in | Approximate Weight N/A 546 lb | Number of Bolt Holes N/A 28 | Diameter of Bolt Holes N/A 1.38 in | Diameter of Bolt Circle (C) N/A 36.00 in |
32BLIBAWW | Nominal Pipe Size N/A 32 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 41.75 in | Minimum Thickness (T) N/A 1.58 in | Approximate Weight N/A 686 lb | Number of Bolt Holes N/A 28 | Diameter of Bolt Holes N/A 1.63 in | Diameter of Bolt Circle (C) N/A 38.50 in |
34BLIBAWW | Nominal Pipe Size N/A 34 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 43.75 in | Minimum Thickness (T) N/A 1.66 in | Approximate Weight N/A 787 lb | Number of Bolt Holes N/A 32 | Diameter of Bolt Holes N/A 1.63 in | Diameter of Bolt Circle (C) N/A 40.50 in |
36BLIBAWW | Nominal Pipe Size N/A 36 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 46.00 in | Minimum Thickness (T) N/A 1.75 in | Approximate Weight N/A 913 lb | Number of Bolt Holes N/A 32 | Diameter of Bolt Holes N/A 1.63 in | Diameter of Bolt Circle (C) N/A 42.75 in |
38BLIBAWW | Nominal Pipe Size N/A 38 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 48.75 in | Minimum Thickness (T) N/A 1.85 in | Approximate Weight N/A 1079 lb | Number of Bolt Holes N/A 32 | Diameter of Bolt Holes N/A 1.63 in | Diameter of Bolt Circle (C) N/A 45.25 in |
40BLIBAWW | Nominal Pipe Size N/A 40 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 50.75 in | Minimum Thickness (T) N/A 1.93 in | Approximate Weight N/A 1215 lb | Number of Bolt Holes N/A 36 | Diameter of Bolt Holes N/A 1.63 in | Diameter of Bolt Circle (C) N/A 47.25 in |
42BLIBAWW | Nominal Pipe Size N/A 42 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 53.00 in | Minimum Thickness (T) N/A 2.02 in | Approximate Weight N/A 1382 lb | Number of Bolt Holes N/A 36 | Diameter of Bolt Holes N/A 1.63 in | Diameter of Bolt Circle (C) N/A 49.50 in |
44BLIBAWW | Nominal Pipe Size N/A 44 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 55.25 in | Minimum Thickness (T) N/A 2.11 in | Approximate Weight N/A 1563 lb | Number of Bolt Holes N/A 40 | Diameter of Bolt Holes N/A 1.63 in | Diameter of Bolt Circle (C) N/A 51.75 in |
46BLIBAWW | Nominal Pipe Size N/A 46 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 57.25 in | Minimum Thickness (T) N/A 2.19 in | Approximate Weight N/A 1737 lb | Number of Bolt Holes N/A 40 | Diameter of Bolt Holes N/A 1.63 in | Diameter of Bolt Circle (C) N/A 53.75 in |
48BLIBAWW | Nominal Pipe Size N/A 48 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 59.50 in | Minimum Thickness (T) N/A 2.29 in | Approximate Weight N/A 1948 lb | Number of Bolt Holes N/A 44 | Diameter of Bolt Holes N/A 1.63 in | Diameter of Bolt Circle (C) N/A 56.00 in |
50BLIBAWW | Nominal Pipe Size N/A 50 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 61.75 in | Minimum Thickness (T) N/A 2.38 in | Approximate Weight N/A 2176 lb | Number of Bolt Holes N/A 44 | Diameter of Bolt Holes N/A 1.88 in | Diameter of Bolt Circle (C) N/A 58.25 in |
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