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ASME B16.47 Class 900 Series B Welding Neck Flanges
ASME B16.47 Class 900 Series B Flanges
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- All dimensions are in inches.
- 1/4" raised face will be added to the thickness and overall length unless otherwise specified.
- 38" thru 48" sizes are the same as Series "A".
- Flat face option available.
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Item # |
Nominal Pipe Size |
Outside Diameter (O) |
Minimum Thickness (T) |
Raised Face Diameter (R) |
Length Thru Hub (Y) |
Hub Diameter (X) |
Minimum Fillet Radius (r) |
Top of Hub (A) |
Bore (B) |
Approximate Weight |
Bolt Circle (C) |
Number of Holes |
Diameter of Holes |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
26900WNSB | Nominal Pipe Size N/A 26 | Outside Diameter (O) N/A 40.25 in | Minimum Thickness (T) N/A 5.31 in | Raised Face Diameter (R) N/A 30.00 in | Length Thru Hub (Y) N/A 10.19 in | Hub Diameter (X) N/A 29.25 in | Minimum Fillet Radius (r) N/A 0.44 in | Top of Hub (A) N/A 26.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 1050 lb | Bolt Circle (C) N/A 35.50 in | Number of Holes N/A 20 | Diameter of Holes N/A 2.62 in |
28900WNSB | Nominal Pipe Size N/A 28 | Outside Diameter (O) N/A 43.50 in | Minimum Thickness (T) N/A 5.81 in | Raised Face Diameter (R) N/A 32.25 in | Length Thru Hub (Y) N/A 10.88 in | Hub Diameter (X) N/A 31.38 in | Minimum Fillet Radius (r) N/A 0.50 in | Top of Hub (A) N/A 28.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 1520 lb | Bolt Circle (C) N/A 38.25 in | Number of Holes N/A 20 | Diameter of Holes N/A 2.88 in |
30900WNSB | Nominal Pipe Size N/A 30 | Outside Diameter (O) N/A 46.50 in | Minimum Thickness (T) N/A 6.12 in | Raised Face Diameter (R) N/A 34.50 in | Length Thru Hub (Y) N/A 11.38 in | Hub Diameter (X) N/A 33.50 in | Minimum Fillet Radius (r) N/A 0.50 in | Top of Hub (A) N/A 30.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 1820 lb | Bolt Circle (C) N/A 40.75 in | Number of Holes N/A 20 | Diameter of Holes N/A 3.12 in |
32900WNSB | Nominal Pipe Size N/A 32 | Outside Diameter (O) N/A 48.75 in | Minimum Thickness (T) N/A 6.31 in | Raised Face Diameter (R) N/A 36.50 in | Length Thru Hub (Y) N/A 11.94 in | Hub Diameter (X) N/A 35.75 in | Minimum Fillet Radius (r) N/A 0.50 in | Top of Hub (A) N/A 32.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 2065 lb | Bolt Circle (C) N/A 43.00 in | Number of Holes N/A 20 | Diameter of Holes N/A 3.12 in |
34900WNSB | Nominal Pipe Size N/A 34 | Outside Diameter (O) N/A 51.75 in | Minimum Thickness (T) N/A 6.75 in | Raised Face Diameter (R) N/A 39.00 in | Length Thru Hub (Y) N/A 12.56 in | Hub Diameter (X) N/A 37.88 in | Minimum Fillet Radius (r) N/A 0.56 in | Top of Hub (A) N/A 34.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 2450 lb | Bolt Circle (C) N/A 45.50 in | Number of Holes N/A 20 | Diameter of Holes N/A 3.38 in |
36900WNSB | Nominal Pipe Size N/A 36 | Outside Diameter (O) N/A 53.00 in | Minimum Thickness (T) N/A 6.81 in | Raised Face Diameter (R) N/A 40.50 in | Length Thru Hub (Y) N/A 12.81 in | Hub Diameter (X) N/A 40.00 in | Minimum Fillet Radius (r) N/A 0.56 in | Top of Hub (A) N/A 36.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 2520 lb | Bolt Circle (C) N/A 47.25 in | Number of Holes N/A 24 | Diameter of Holes N/A 3.12 in |