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Industry Standard Class 350 Blind Flanges
Industry Standard Class 350 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 |
|---|---|---|---|---|---|---|---|---|
| 26350BDIS | Nominal Pipe Size N/A 26 | Outside Diameter (O) N/A 32.75 in | Thickness (T) N/A 2.75 in | Raised Face Diameter (R) N/A 29.50 in | Approximate Weight N/A 580 lb | Bolt Circle (C) N/A 30.63 in | Number of Holes N/A 28 | Diameter of Bolt Holes N/A 1.13 in |
| 28350BDIS | Nominal Pipe Size N/A 28 | Outside Diameter (O) N/A 34.75 in | Thickness (T) N/A 2.88 in | Raised Face Diameter (R) N/A 31.50 in | Approximate Weight N/A 750 lb | Bolt Circle (C) N/A 32.63 in | Number of Holes N/A 28 | Diameter of Bolt Holes N/A 1.13 in |
| 30350BDIS | Nominal Pipe Size N/A 30 | Outside Diameter (O) N/A 37.00 in | Thickness (T) N/A 3.00 in | Raised Face Diameter (R) N/A 33.75 in | Approximate Weight N/A 890 lb | Bolt Circle (C) N/A 34.88 in | Number of Holes N/A 32 | Diameter of Bolt Holes N/A 1.13 in |
| 32350BDIS | Nominal Pipe Size N/A 32 | Outside Diameter (O) N/A 39.00 in | Thickness (T) N/A 3.25 in | Raised Face Diameter (R) N/A 35.75 in | Approximate Weight N/A 1050 lb | Bolt Circle (C) N/A 36.88 in | Number of Holes N/A 36 | Diameter of Bolt Holes N/A 1.13 in |
| 34350BDIS | Nominal Pipe Size N/A 34 | Outside Diameter (O) N/A 41.00 in | Thickness (T) N/A 3.38 in | Raised Face Diameter (R) N/A 37.75 in | Approximate Weight N/A 1225 lb | Bolt Circle (C) N/A 38.88 in | Number of Holes N/A 40 | Diameter of Bolt Holes N/A 1.13 in |
| 36350BDIS | Nominal Pipe Size N/A 36 | Outside Diameter (O) N/A 43.75 in | Thickness (T) N/A 3.63 in | Raised Face Diameter (R) N/A 40.25 in | Approximate Weight N/A 1500 lb | Bolt Circle (C) N/A 41.50 in | Number of Holes N/A 40 | Diameter of Bolt Holes N/A 1.25 in |
| 38350BDIS | Nominal Pipe Size N/A 38 | Outside Diameter (O) N/A 45.75 in | Thickness (T) N/A 3.75 in | Raised Face Diameter (R) N/A 42.25 in | Approximate Weight N/A 1700 lb | Bolt Circle (C) N/A 43.50 in | Number of Holes N/A 40 | Diameter of Bolt Holes N/A 1.25 in |
| 40350BDIS | Nominal Pipe Size N/A 40 | Outside Diameter (O) N/A 47.75 in | Thickness (T) N/A 4.00 in | Raised Face Diameter (R) N/A 44.25 in | Approximate Weight N/A 1975 lb | Bolt Circle (C) N/A 45.50 in | Number of Holes N/A 44 | Diameter of Bolt Holes N/A 1.25 in |
| 42350BDIS | Nominal Pipe Size N/A 42 | Outside Diameter (O) N/A 50.00 in | Thickness (T) N/A 4.13 in | Raised Face Diameter (R) N/A 46.50 in | Approximate Weight N/A 2225 lb | Bolt Circle (C) N/A 47.75 in | Number of Holes N/A 48 | Diameter of Bolt Holes N/A 1.25 in |
| 44350BDIS | Nominal Pipe Size N/A 44 | Outside Diameter (O) N/A 52.75 in | Thickness (T) N/A 4.38 in | Raised Face Diameter (R) N/A 48.88 in | Approximate Weight N/A 2625 lb | Bolt Circle (C) N/A 50.25 in | Number of Holes N/A 44 | Diameter of Bolt Holes N/A 1.38 in |
| 46350BDIS | Nominal Pipe Size N/A 46 | Outside Diameter (O) N/A 54.75 in | Thickness (T) N/A 4.75 in | Raised Face Diameter (R) N/A 50.88 in | Approximate Weight N/A 2950 lb | Bolt Circle (C) N/A 52.25 in | Number of Holes N/A 48 | Diameter of Bolt Holes N/A 1.38 in |
| 48350BDIS | Nominal Pipe Size N/A 48 | Outside Diameter (O) N/A 56.75 in | Thickness (T) N/A 4.75 in | Raised Face Diameter (R) N/A 52.88 in | Approximate Weight N/A 3300 lb | Bolt Circle (C) N/A 54.25 in | Number of Holes N/A 48 | Diameter of Bolt Holes N/A 1.38 in |
