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ANSI B16.5 Class 400 Blind Flanges
ANSI B16.5 Class 400 Flanges
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- All dimensions are in inches.
- These flanges will be furnished with a 1/4" raised face unless otherwise specified.
- Flat face option available.
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Item # |
Nominal Pipe Size |
Outside Diameter (O) |
Thickness (T) |
Raised Face Diameter (R) |
Approximate Weight |
Bolt Circle (C) |
Number of Holes |
Diameter of Holes |
|---|---|---|---|---|---|---|---|---|
| 0H400BDAN | Nominal Pipe Size N/A 1/2 | Outside Diameter (O) N/A 3.75 in | Thickness (T) N/A 0.56 in | Raised Face Diameter (R) N/A 1.38 in | Approximate Weight N/A 2 lb | Bolt Circle (C) N/A 2.63 in | Number of Holes N/A 4 | Diameter of Holes N/A 0.63 in |
| 3Q400BDAN | Nominal Pipe Size N/A 3/4 | Outside Diameter (O) N/A 4.63 in | Thickness (T) N/A 0.63 in | Raised Face Diameter (R) N/A 1.69 in | Approximate Weight N/A 3 lb | Bolt Circle (C) N/A 3.25 in | Number of Holes N/A 4 | Diameter of Holes N/A 0.75 in |
| 01400BDAN | Nominal Pipe Size N/A 1 | Outside Diameter (O) N/A 4.88 in | Thickness (T) N/A 0.69 in | Raised Face Diameter (R) N/A 2.00 in | Approximate Weight N/A 4 lb | Bolt Circle (C) N/A 3.50 in | Number of Holes N/A 4 | Diameter of Holes N/A 0.75 in |
| 1Q400BDAN | Nominal Pipe Size N/A 1 1/4 | Outside Diameter (O) N/A 5.25 in | Thickness (T) N/A 0.81 in | Raised Face Diameter (R) N/A 2.50 in | Approximate Weight N/A 5 lb | Bolt Circle (C) N/A 3.88 in | Number of Holes N/A 4 | Diameter of Holes N/A 0.75 in |
| 1H400BDAN | Nominal Pipe Size N/A 1 1/2 | Outside Diameter (O) N/A 6.13 in | Thickness (T) N/A 0.88 in | Raised Face Diameter (R) N/A 2.88 in | Approximate Weight N/A 8 lb | Bolt Circle (C) N/A 4.50 in | Number of Holes N/A 4 | Diameter of Holes N/A 0.88 in |
| 02400BDAN | Nominal Pipe Size N/A 2 | Outside Diameter (O) N/A 6.50 in | Thickness (T) N/A 1.00 in | Raised Face Diameter (R) N/A 3.63 in | Approximate Weight N/A 10 lb | Bolt Circle (C) N/A 5.00 in | Number of Holes N/A 8 | Diameter of Holes N/A 0.75 in |
| 2H400BDAN | Nominal Pipe Size N/A 2 1/2 | Outside Diameter (O) N/A 7.50 in | Thickness (T) N/A 1.13 in | Raised Face Diameter (R) N/A 4.13 in | Approximate Weight N/A 15 lb | Bolt Circle (C) N/A 5.88 in | Number of Holes N/A 8 | Diameter of Holes N/A 0.88 in |
| 03400BDAN | Nominal Pipe Size N/A 3 | Outside Diameter (O) N/A 8.25 in | Thickness (T) N/A 1.25 in | Raised Face Diameter (R) N/A 5.00 in | Approximate Weight N/A 20 lb | Bolt Circle (C) N/A 6.63 in | Number of Holes N/A 8 | Diameter of Holes N/A 0.88 in |
| 3H400BDAN | Nominal Pipe Size N/A 3 1/2 | Outside Diameter (O) N/A 9.00 in | Thickness (T) N/A 1.38 in | Raised Face Diameter (R) N/A 5.50 in | Approximate Weight N/A 29 lb | Bolt Circle (C) N/A 7.25 in | Number of Holes N/A 8 | Diameter of Holes N/A 1.00 in |
| 04400BDAN | Nominal Pipe Size N/A 4 | Outside Diameter (O) N/A 10.00 in | Thickness (T) N/A 1.38 in | Raised Face Diameter (R) N/A 6.19 in | Approximate Weight N/A 33 lb | Bolt Circle (C) N/A 7.88 in | Number of Holes N/A 8 | Diameter of Holes N/A 1.00 in |
| 05400BDAN | Nominal Pipe Size N/A 5 | Outside Diameter (O) N/A 11.00 in | Thickness (T) N/A 1.50 in | Raised Face Diameter (R) N/A 7.31 in | Approximate Weight N/A 44 lb | Bolt Circle (C) N/A 9.25 in | Number of Holes N/A 8 | Diameter of Holes N/A 1.00 in |
| 06400BDAN | Nominal Pipe Size N/A 6 | Outside Diameter (O) N/A 12.50 in | Thickness (T) N/A 1.63 in | Raised Face Diameter (R) N/A 8.50 in | Approximate Weight N/A 61 lb | Bolt Circle (C) N/A 10.63 in | Number of Holes N/A 12 | Diameter of Holes N/A 1.00 in |
| 08400BDAN | Nominal Pipe Size N/A 8 | Outside Diameter (O) N/A 15.00 in | Thickness (T) N/A 1.88 in | Raised Face Diameter (R) N/A 10.63 in | Approximate Weight N/A 100 lb | Bolt Circle (C) N/A 13.00 in | Number of Holes N/A 12 | Diameter of Holes N/A 1.13 in |
| 10400BDAN | Nominal Pipe Size N/A 10 | Outside Diameter (O) N/A 17.50 in | Thickness (T) N/A 2.13 in | Raised Face Diameter (R) N/A 12.75 in | Approximate Weight N/A 155 lb | Bolt Circle (C) N/A 15.25 in | Number of Holes N/A 16 | Diameter of Holes N/A 1.25 in |
| 12400BDAN | Nominal Pipe Size N/A 12 | Outside Diameter (O) N/A 20.50 in | Thickness (T) N/A 2.25 in | Raised Face Diameter (R) N/A 15.00 in | Approximate Weight N/A 225 lb | Bolt Circle (C) N/A 17.75 in | Number of Holes N/A 16 | Diameter of Holes N/A 1.38 in |
| 14400BDAN | Nominal Pipe Size N/A 14 | Outside Diameter (O) N/A 23.00 in | Thickness (T) N/A 2.38 in | Raised Face Diameter (R) N/A 16.25 in | Approximate Weight N/A 290 lb | Bolt Circle (C) N/A 20.25 in | Number of Holes N/A 20 | Diameter of Holes N/A 1.38 in |
| 16400BDAN | Nominal Pipe Size N/A 16 | Outside Diameter (O) N/A 25.50 in | Thickness (T) N/A 2.50 in | Raised Face Diameter (R) N/A 18.50 in | Approximate Weight N/A 370 lb | Bolt Circle (C) N/A 22.50 in | Number of Holes N/A 20 | Diameter of Holes N/A 1.50 in |
| 18400BDAN | Nominal Pipe Size N/A 18 | Outside Diameter (O) N/A 28.00 in | Thickness (T) N/A 2.63 in | Raised Face Diameter (R) N/A 21.00 in | Approximate Weight N/A 455 lb | Bolt Circle (C) N/A 24.75 in | Number of Holes N/A 24 | Diameter of Holes N/A 1.50 in |
| 20400BDAN | Nominal Pipe Size N/A 20 | Outside Diameter (O) N/A 30.50 in | Thickness (T) N/A 2.75 in | Raised Face Diameter (R) N/A 23.00 in | Approximate Weight N/A 587 lb | Bolt Circle (C) N/A 27.00 in | Number of Holes N/A 24 | Diameter of Holes N/A 1.63 in |
| 22400BDAN | Nominal Pipe Size N/A 22 | Outside Diameter (O) N/A 33.00 in | Thickness (T) N/A 2.88 in | Raised Face Diameter (R) N/A 25.25 in | Approximate Weight N/A 720 lb | Bolt Circle (C) N/A 29.25 in | Number of Holes N/A 24 | Diameter of Holes N/A 1.75 in |
| 24400BDAN | Nominal Pipe Size N/A 24 | Outside Diameter (O) N/A 36.00 in | Thickness (T) N/A 3.00 in | Raised Face Diameter (R) N/A 27.25 in | Approximate Weight N/A 890 lb | Bolt Circle (C) N/A 32.00 in | Number of Holes N/A 24 | Diameter of Holes N/A 1.88 in |
