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Industry Standard Class 175 Blind Flanges
Industry Standard Class 175 Flanges
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- All dimensions are in inches.
- These flanges will be furnished with a 1/16" 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 Bolt Holes |
|---|---|---|---|---|---|---|---|---|
| 26175BDIS | Nominal Pipe Size N/A 26 | Outside Diameter (O) N/A 31.50 in | Thickness (T) N/A 1.78 in | Raised Face Diameter (R) N/A 29.00 in | Approximate Weight N/A 405 lb | Bolt Circle (C) N/A 29.88 in | Number of Holes N/A 28 | Diameter of Bolt Holes N/A 0.88 in |
| 28175BDIS | Nominal Pipe Size N/A 28 | Outside Diameter (O) N/A 33.50 in | Thickness (T) N/A 2.00 in | Raised Face Diameter (R) N/A 31.00 in | Approximate Weight N/A 490 lb | Bolt Circle (C) N/A 31.88 in | Number of Holes N/A 28 | Diameter of Bolt Holes N/A 0.88 in |
| 30175BDIS | Nominal Pipe Size N/A 30 | Outside Diameter (O) N/A 35.75 in | Thickness (T) N/A 2.13 in | Raised Face Diameter (R) N/A 33.25 in | Approximate Weight N/A 590 lb | Bolt Circle (C) N/A 34.13 in | Number of Holes N/A 36 | Diameter of Bolt Holes N/A 0.88 in |
| 32175BDIS | Nominal Pipe Size N/A 32 | Outside Diameter (O) N/A 37.75 in | Thickness (T) N/A 2.25 in | Raised Face Diameter (R) N/A 35.25 in | Approximate Weight N/A 700 lb | Bolt Circle (C) N/A 36.13 in | Number of Holes N/A 36 | Diameter of Bolt Holes N/A 0.88 in |
| 34175BDIS | Nominal Pipe Size N/A 34 | Outside Diameter (O) N/A 40.25 in | Thickness (T) N/A 2.38 in | Raised Face Diameter (R) N/A 37.38 in | Approximate Weight N/A 840 lb | Bolt Circle (C) N/A 38.38 in | Number of Holes N/A 36 | Diameter of Bolt Holes N/A 1.00 in |
| 36175BDIS | Nominal Pipe Size N/A 36 | Outside Diameter (O) N/A 42.25 in | Thickness (T) N/A 2.50 in | Raised Face Diameter (R) N/A 39.38 in | Approximate Weight N/A 970 lb | Bolt Circle (C) N/A 40.38 in | Number of Holes N/A 36 | Diameter of Bolt Holes N/A 1.00 in |
| 38175BDIS | Nominal Pipe Size N/A 38 | Outside Diameter (O) N/A 44.25 in | Thickness (T) N/A 2.63 in | Raised Face Diameter (R) N/A 41.38 in | Approximate Weight N/A 1125 lb | Bolt Circle (C) N/A 42.38 in | Number of Holes N/A 36 | Diameter of Bolt Holes N/A 1.00 in |
| 40175BDIS | Nominal Pipe Size N/A 40 | Outside Diameter (O) N/A 46.25 in | Thickness (T) N/A 2.75 in | Raised Face Diameter (R) N/A 43.38 in | Approximate Weight N/A 1300 lb | Bolt Circle (C) N/A 44.38 in | Number of Holes N/A 40 | Diameter of Bolt Holes N/A 1.00 in |
| 42175BDIS | Nominal Pipe Size N/A 42 | Outside Diameter (O) N/A 49.00 in | Thickness (T) N/A 2.88 in | Raised Face Diameter (R) N/A 45.75 in | Approximate Weight N/A 1500 lb | Bolt Circle (C) N/A 46.88 in | Number of Holes N/A 40 | Diameter of Bolt Holes N/A 1.13 in |
| 44175BDIS | Nominal Pipe Size N/A 44 | Outside Diameter (O) N/A 51.00 in | Thickness (T) N/A 3.00 in | Raised Face Diameter (R) N/A 47.75 in | Approximate Weight N/A 1700 lb | Bolt Circle (C) N/A 48.88 in | Number of Holes N/A 40 | Diameter of Bolt Holes N/A 1.13 in |
| 46175BDIS | Nominal Pipe Size N/A 46 | Outside Diameter (O) N/A 53.00 in | Thickness (T) N/A 3.13 in | Raised Face Diameter (R) N/A 49.75 in | Approximate Weight N/A 1925 lb | Bolt Circle (C) N/A 50.88 in | Number of Holes N/A 40 | Diameter of Bolt Holes N/A 1.13 in |
| 48175BDIS | Nominal Pipe Size N/A 48 | Outside Diameter (O) N/A 55.00 in | Thickness (T) N/A 3.38 in | Raised Face Diameter (R) N/A 51.75 in | Approximate Weight N/A 2225 lb | Bolt Circle (C) N/A 52.88 in | Number of Holes N/A 44 | Diameter of Bolt Holes N/A 1.13 in |
| 50175BDIS | Nominal Pipe Size N/A 50 | Outside Diameter (O) N/A 57.00 in | Thickness (T) N/A 3.38 in | Raised Face Diameter (R) N/A 53.75 in | Approximate Weight N/A 2400 lb | Bolt Circle (C) N/A 54.88 in | Number of Holes N/A 44 | Diameter of Bolt Holes N/A 1.13 in |
| 52175BDIS | Nominal Pipe Size N/A 52 | Outside Diameter (O) N/A 59.50 in | Thickness (T) N/A 3.63 in | Raised Face Diameter (R) N/A 56.00 in | Approximate Weight N/A 2800 lb | Bolt Circle (C) N/A 57.25 in | Number of Holes N/A 44 | Diameter of Bolt Holes N/A 1.25 in |
| 54175BDIS | Nominal Pipe Size N/A 54 | Outside Diameter (O) N/A 61.50 in | Thickness (T) N/A 3.63 in | Raised Face Diameter (R) N/A 58.00 in | Approximate Weight N/A 3000 lb | Bolt Circle (C) N/A 59.25 in | Number of Holes N/A 44 | Diameter of Bolt Holes N/A 1.25 in |
| 60175BDIS | Nominal Pipe Size N/A 60 | Outside Diameter (O) N/A 67.50 in | Thickness (T) N/A 4.00 in | Raised Face Diameter (R) N/A 64.00 in | Approximate Weight N/A 4000 lb | Bolt Circle (C) N/A 65.25 in | Number of Holes N/A 48 | Diameter of Bolt Holes N/A 1.25 in |
| 66175BDIS | Nominal Pipe Size N/A 66 | Outside Diameter (O) N/A 73.50 in | Thickness (T) N/A 4.38 in | Raised Face Diameter (R) N/A 70.00 in | Approximate Weight N/A 5175 lb | Bolt Circle (C) N/A 71.25 in | Number of Holes N/A 56 | Diameter of Bolt Holes N/A 1.25 in |
| 72175BDIS | Nominal Pipe Size N/A 72 | Outside Diameter (O) N/A 80.00 in | Thickness (T) N/A 4.75 in | Raised Face Diameter (R) N/A 76.50 in | Approximate Weight N/A 6650 lb | Bolt Circle (C) N/A 77.75 in | Number of Holes N/A 64 | Diameter of Bolt Holes N/A 1.25 in |
| 84175BDIS | Nominal Pipe Size N/A 84 | Outside Diameter (O) N/A 94.00 in | Thickness (T) N/A 5.50 in | Raised Face Diameter (R) N/A 90.13 in | Approximate Weight N/A 10815 lb | Bolt Circle (C) N/A 91.50 in | Number of Holes N/A 72 | Diameter of Bolt Holes N/A 1.38 in |
| 96175BDIS | Nominal Pipe Size N/A 96 | Outside Diameter (O) N/A 106.00 in | Thickness (T) N/A 6.13 in | Raised Face Diameter (R) N/A 102.13 in | Approximate Weight N/A 15325 lb | Bolt Circle (C) N/A 103.50 in | Number of Holes N/A 88 | Diameter of Bolt Holes N/A 1.38 in |
