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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) |
|---|---|---|---|---|---|---|---|---|
| 52BLIBAWW | Nominal Pipe Size N/A 52 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 64.00 in | Minimum Thickness (T) N/A 2.47 in | Approximate Weight N/A 2420 lb | Number of Bolt Holes N/A 44 | Diameter of Bolt Holes N/A 1.88 in | Diameter of Bolt Circle (C) N/A 60.50 in |
| 54BLIBAWW | Nominal Pipe Size N/A 54 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 66.25 in | Minimum Thickness (T) N/A 2.56 in | Approximate Weight N/A 2682 lb | Number of Bolt Holes N/A 44 | Diameter of Bolt Holes N/A 1.88 in | Diameter of Bolt Circle (C) N/A 62.75 in |
| 60BLIBAWW | Nominal Pipe Size N/A 60 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 73.00 in | Minimum Thickness (T) N/A 2.82 in | Approximate Weight N/A 3566 lb | Number of Bolt Holes N/A 52 | Diameter of Bolt Holes N/A 1.88 in | Diameter of Bolt Circle (C) N/A 69.25 in |
| 66BLIBAWW | Nominal Pipe Size N/A 66 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 80.00 in | Minimum Thickness (T) N/A 3.09 in | Approximate Weight N/A 4670 lb | Number of Bolt Holes N/A 52 | Diameter of Bolt Holes N/A 1.88 in | Diameter of Bolt Circle (C) N/A 76.00 in |
| 72BLIBAWW | Nominal Pipe Size N/A 72 | Working Pressure N/A 86 psi | Outside Diameter (A) N/A 86.50 in | Minimum Thickness (T) N/A 3.35 in | Approximate Weight N/A 5894 lb | Number of Bolt Holes N/A 60 | Diameter of Bolt Holes N/A 1.88 in | Diameter of Bolt Circle (C) N/A 82.50 in |
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