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ASME B16.47 Class 900 Series A Welding Neck Flanges
ASME B16.47 Class 900 Series A Flanges
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- All dimensions are in inches.
- 1/4" raised face will be added to the thickness unless otherwise specified.
- 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
26900WNSA | Nominal Pipe Size N/A 26 | Outside Diameter (O) N/A 42.75 in | Minimum Thickness (T) N/A 5.50 in | Raised Face Diameter (R) N/A 29.50 in | Length Thru Hub (Y) N/A 11.25 in | Hub Diameter (X) N/A 30.50 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 1525 lb | Bolt Circle (C) N/A 37.50 in | Number of Holes N/A 20 | Diameter of Holes N/A 2.88 in |
28900WNSA | Nominal Pipe Size N/A 28 | Outside Diameter (O) N/A 46.00 in | Minimum Thickness (T) N/A 5.62 in | Raised Face Diameter (R) N/A 31.50 in | Length Thru Hub (Y) N/A 11.75 in | Hub Diameter (X) N/A 32.75 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 1810 lb | Bolt Circle (C) N/A 40.25 in | Number of Holes N/A 20 | Diameter of Holes N/A 3.12 in |
30900WNSA | Nominal Pipe Size N/A 30 | Outside Diameter (O) N/A 48.50 in | Minimum Thickness (T) N/A 5.88 in | Raised Face Diameter (R) N/A 33.75 in | Length Thru Hub (Y) N/A 12.25 in | Hub Diameter (X) N/A 35.00 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 2120 lb | Bolt Circle (C) N/A 42.75 in | Number of Holes N/A 20 | Diameter of Holes N/A 3.12 in |
32900WNSA | Nominal Pipe Size N/A 32 | Outside Diameter (O) N/A 51.75 in | Minimum Thickness (T) N/A 6.25 in | Raised Face Diameter (R) N/A 36.00 in | Length Thru Hub (Y) N/A 13.00 in | Hub Diameter (X) N/A 37.25 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 2545 lb | Bolt Circle (C) N/A 45.50 in | Number of Holes N/A 20 | Diameter of Holes N/A 3.38 in |
34900WNSA | Nominal Pipe Size N/A 34 | Outside Diameter (O) N/A 55.00 in | Minimum Thickness (T) N/A 6.50 in | Raised Face Diameter (R) N/A 38.00 in | Length Thru Hub (Y) N/A 13.75 in | Hub Diameter (X) N/A 39.62 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 2970 lb | Bolt Circle (C) N/A 48.25 in | Number of Holes N/A 20 | Diameter of Holes N/A 3.62 in |
36900WNSA | Nominal Pipe Size N/A 36 | Outside Diameter (O) N/A 57.50 in | Minimum Thickness (T) N/A 6.75 in | Raised Face Diameter (R) N/A 40.25 in | Length Thru Hub (Y) N/A 14.25 in | Hub Diameter (X) N/A 41.88 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 3395 lb | Bolt Circle (C) N/A 50.75 in | Number of Holes N/A 20 | Diameter of Holes N/A 3.62 in |
38900WNSA | Nominal Pipe Size N/A 38 | Outside Diameter (O) N/A 57.50 in | Minimum Thickness (T) N/A 7.50 in | Raised Face Diameter (R) N/A 43.25 in | Length Thru Hub (Y) N/A 13.88 in | Hub Diameter (X) N/A 42.25 in | Minimum Fillet Radius (r) N/A 0.75 in | Top of Hub (A) N/A 38.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 3385 lb | Bolt Circle (C) N/A 50.75 in | Number of Holes N/A 20 | Diameter of Holes N/A 3.62 in |
40900WNSA | Nominal Pipe Size N/A 40 | Outside Diameter (O) N/A 59.50 in | Minimum Thickness (T) N/A 7.75 in | Raised Face Diameter (R) N/A 45.75 in | Length Thru Hub (Y) N/A 14.31 in | Hub Diameter (X) N/A 44.38 in | Minimum Fillet Radius (r) N/A 0.81 in | Top of Hub (A) N/A 40.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 3620 lb | Bolt Circle (C) N/A 52.75 in | Number of Holes N/A 24 | Diameter of Holes N/A 3.62 in |
42900WNSA | Nominal Pipe Size N/A 42 | Outside Diameter (O) N/A 61.50 in | Minimum Thickness (T) N/A 8.12 in | Raised Face Diameter (R) N/A 47.75 in | Length Thru Hub (Y) N/A 14.62 in | Hub Diameter (X) N/A 46.31 in | Minimum Fillet Radius (r) N/A 0.81 in | Top of Hub (A) N/A 42.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 3960 lb | Bolt Circle (C) N/A 54.75 in | Number of Holes N/A 24 | Diameter of Holes N/A 3.62 in |
44900WNSA | Nominal Pipe Size N/A 44 | Outside Diameter (O) N/A 64.88 in | Minimum Thickness (T) N/A 8.44 in | Raised Face Diameter (R) N/A 50.00 in | Length Thru Hub (Y) N/A 15.38 in | Hub Diameter (X) N/A 48.62 in | Minimum Fillet Radius (r) N/A 0.88 in | Top of Hub (A) N/A 44.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 4300 lb | Bolt Circle (C) N/A 57.62 in | Number of Holes N/A 24 | Diameter of Holes N/A 3.88 in |
46900WNSA | Nominal Pipe Size N/A 46 | Outside Diameter (O) N/A 68.25 in | Minimum Thickness (T) N/A 8.88 in | Raised Face Diameter (R) N/A 52.50 in | Length Thru Hub (Y) N/A 16.18 in | Hub Diameter (X) N/A 50.88 in | Minimum Fillet Radius (r) N/A 0.88 in | Top of Hub (A) N/A 46.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 4640 lb | Bolt Circle (C) N/A 60.50 in | Number of Holes N/A 24 | Diameter of Holes N/A 4.12 in |
48900WNSA | Nominal Pipe Size N/A 48 | Outside Diameter (O) N/A 70.25 in | Minimum Thickness (T) N/A 9.19 in | Raised Face Diameter (R) N/A 54.50 in | Length Thru Hub (Y) N/A 16.50 in | Hub Diameter (X) N/A 52.88 in | Minimum Fillet Radius (r) N/A 0.94 in | Top of Hub (A) N/A 48.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 4980 lb | Bolt Circle (C) N/A 62.50 in | Number of Holes N/A 24 | Diameter of Holes N/A 4.12 in |