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ASME B16.47 Class 400 Series A Welding Neck Flanges
ASME B16.47 Class 400 Series A 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.
- 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
26400WNSA | Nominal Pipe Size N/A 26 | Outside Diameter (O) N/A 38.25 in | Minimum Thickness (T) N/A 3.50 in | Raised Face Diameter (R) N/A 29.50 in | Length Thru Hub (Y) N/A 7.62 in | Hub Diameter (X) N/A 28.62 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 650 lb | Bolt Circle (C) N/A 34.50 in | Number of Holes N/A 28 | Diameter of Holes N/A 1.88 in |
28400WNSA | Nominal Pipe Size N/A 28 | Outside Diameter (O) N/A 40.75 in | Minimum Thickness (T) N/A 3.75 in | Raised Face Diameter (R) N/A 31.50 in | Length Thru Hub (Y) N/A 8.12 in | Hub Diameter (X) N/A 30.81 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 785 lb | Bolt Circle (C) N/A 37.00 in | Number of Holes N/A 28 | Diameter of Holes N/A 2.00 in |
30400WNSA | Nominal Pipe Size N/A 30 | Outside Diameter (O) N/A 43.00 in | Minimum Thickness (T) N/A 4.00 in | Raised Face Diameter (R) N/A 33.75 in | Length Thru Hub (Y) N/A 8.62 in | Hub Diameter (X) N/A 32.94 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 905 lb | Bolt Circle (C) N/A 39.25 in | Number of Holes N/A 28 | Diameter of Holes N/A 2.12 in |
32400WNSA | Nominal Pipe Size N/A 32 | Outside Diameter (O) N/A 45.25 in | Minimum Thickness (T) N/A 4.25 in | Raised Face Diameter (R) N/A 36.00 in | Length Thru Hub (Y) N/A 9.12 in | Hub Diameter (X) N/A 35.00 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 1065 lb | Bolt Circle (C) N/A 41.50 in | Number of Holes N/A 28 | Diameter of Holes N/A 2.12 in |
34400WNSA | Nominal Pipe Size N/A 34 | Outside Diameter (O) N/A 47.50 in | Minimum Thickness (T) N/A 4.38 in | Raised Face Diameter (R) N/A 38.00 in | Length Thru Hub (Y) N/A 9.50 in | Hub Diameter (X) N/A 37.19 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 1200 lb | Bolt Circle (C) N/A 43.50 in | Number of Holes N/A 28 | Diameter of Holes N/A 2.12 in |
36400WNSA | Nominal Pipe Size N/A 36 | Outside Diameter (O) N/A 50.00 in | Minimum Thickness (T) N/A 4.50 in | Raised Face Diameter (R) N/A 40.25 in | Length Thru Hub (Y) N/A 9.88 in | Hub Diameter (X) N/A 39.38 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 1340 lb | Bolt Circle (C) N/A 46.00 in | Number of Holes N/A 32 | Diameter of Holes N/A 2.12 in |
38400WNSA | Nominal Pipe Size N/A 38 | Outside Diameter (O) N/A 47.50 in | Minimum Thickness (T) N/A 4.88 in | Raised Face Diameter (R) N/A 40.75 in | Length Thru Hub (Y) N/A 8.12 in | Hub Diameter (X) N/A 39.50 in | Minimum Fillet Radius (r) N/A 0.56 in | Top of Hub (A) N/A 38.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 935 lb | Bolt Circle (C) N/A 44.00 in | Number of Holes N/A 32 | Diameter of Holes N/A 1.88 in |
40400WNSA | Nominal Pipe Size N/A 40 | Outside Diameter (O) N/A 50.00 in | Minimum Thickness (T) N/A 5.12 in | Raised Face Diameter (R) N/A 43.00 in | Length Thru Hub (Y) N/A 8.50 in | Hub Diameter (X) N/A 41.50 in | Minimum Fillet Radius (r) N/A 0.56 in | Top of Hub (A) N/A 40.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 1090 lb | Bolt Circle (C) N/A 46.25 in | Number of Holes N/A 32 | Diameter of Holes N/A 2.00 in |
42400WNSA | Nominal Pipe Size N/A 42 | Outside Diameter (O) N/A 52.00 in | Minimum Thickness (T) N/A 5.25 in | Raised Face Diameter (R) N/A 45.00 in | Length Thru Hub (Y) N/A 8.81 in | Hub Diameter (X) N/A 43.62 in | Minimum Fillet Radius (r) N/A 0.56 in | Top of Hub (A) N/A 42.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 1190 lb | Bolt Circle (C) N/A 48.25 in | Number of Holes N/A 32 | Diameter of Holes N/A 2.00 in |
44400WNSA | Nominal Pipe Size N/A 44 | Outside Diameter (O) N/A 54.50 in | Minimum Thickness (T) N/A 5.50 in | Raised Face Diameter (R) N/A 47.25 in | Length Thru Hub (Y) N/A 9.18 in | Hub Diameter (X) N/A 45.62 in | Minimum Fillet Radius (r) N/A 0.56 in | Top of Hub (A) N/A 44.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 1375 lb | Bolt Circle (C) N/A 50.50 in | Number of Holes N/A 32 | Diameter of Holes N/A 2.12 in |
46400WNSA | Nominal Pipe Size N/A 46 | Outside Diameter (O) N/A 56.75 in | Minimum Thickness (T) N/A 5.75 in | Raised Face Diameter (R) N/A 49.50 in | Length Thru Hub (Y) N/A 9.62 in | Hub Diameter (X) N/A 47.75 in | Minimum Fillet Radius (r) N/A 0.56 in | Top of Hub (A) N/A 46.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 1525 lb | Bolt Circle (C) N/A 52.75 in | Number of Holes N/A 36 | Diameter of Holes N/A 2.12 in |
48400WNSA | Nominal Pipe Size N/A 48 | Outside Diameter (O) N/A 59.50 in | Minimum Thickness (T) N/A 6.00 in | Raised Face Diameter (R) N/A 51.50 in | Length Thru Hub (Y) N/A 10.12 in | Hub Diameter (X) N/A 49.88 in | Minimum Fillet Radius (r) N/A 0.56 in | Top of Hub (A) N/A 48.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 1790 lb | Bolt Circle (C) N/A 55.25 in | Number of Holes N/A 28 | Diameter of Holes N/A 2.38 in |
50400WNSA | Nominal Pipe Size N/A 50 | Outside Diameter (O) N/A 61.75 in | Minimum Thickness (T) N/A 6.19 in | Raised Face Diameter (R) N/A 53.62 in | Length Thru Hub (Y) N/A 10.56 in | Hub Diameter (X) N/A 52.00 in | Minimum Fillet Radius (r) N/A 0.56 in | Top of Hub (A) N/A 50.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 1950 lb | Bolt Circle (C) N/A 57.50 in | Number of Holes N/A 32 | Diameter of Holes N/A 2.38 in |
52400WNSA | Nominal Pipe Size N/A 52 | Outside Diameter (O) N/A 63.75 in | Minimum Thickness (T) N/A 6.38 in | Raised Face Diameter (R) N/A 55.62 in | Length Thru Hub (Y) N/A 10.88 in | Hub Diameter (X) N/A 54.00 in | Minimum Fillet Radius (r) N/A 0.56 in | Top of Hub (A) N/A 52.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 2125 lb | Bolt Circle (C) N/A 59.50 in | Number of Holes N/A 32 | Diameter of Holes N/A 2.38 in |
54400WNSA | Nominal Pipe Size N/A 54 | Outside Diameter (O) N/A 67.00 in | Minimum Thickness (T) N/A 6.69 in | Raised Face Diameter (R) N/A 57.88 in | Length Thru Hub (Y) N/A 11.38 in | Hub Diameter (X) N/A 56.12 in | Minimum Fillet Radius (r) N/A 0.56 in | Top of Hub (A) N/A 54.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 2565 lb | Bolt Circle (C) N/A 62.25 in | Number of Holes N/A 28 | Diameter of Holes N/A 2.62 in |
56400WNSA | Nominal Pipe Size N/A 56 | Outside Diameter (O) N/A 69.00 in | Minimum Thickness (T) N/A 6.88 in | Raised Face Diameter (R) N/A 60.12 in | Length Thru Hub (Y) N/A 11.75 in | Hub Diameter (X) N/A 58.25 in | Minimum Fillet Radius (r) N/A 0.56 in | Top of Hub (A) N/A 56.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 2710 lb | Bolt Circle (C) N/A 64.25 in | Number of Holes N/A 32 | Diameter of Holes N/A 2.62 in |
58400WNSA | Nominal Pipe Size N/A 58 | Outside Diameter (O) N/A 71.00 in | Minimum Thickness (T) N/A 7.00 in | Raised Face Diameter (R) N/A 62.12 in | Length Thru Hub (Y) N/A 12.06 in | Hub Diameter (X) N/A 60.25 in | Minimum Fillet Radius (r) N/A 0.56 in | Top of Hub (A) N/A 58.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 3230 lb | Bolt Circle (C) N/A 66.25 in | Number of Holes N/A 32 | Diameter of Holes N/A 2.62 in |
60400WNSA | Nominal Pipe Size N/A 60 | Outside Diameter (O) N/A 74.25 in | Minimum Thickness (T) N/A 7.31 in | Raised Face Diameter (R) N/A 64.38 in | Length Thru Hub (Y) N/A 12.56 in | Hub Diameter (X) N/A 62.38 in | Minimum Fillet Radius (r) N/A 0.56 in | Top of Hub (A) N/A 60.00 in | Bore (B) N/A Specified by purchaser | Approximate Weight N/A 3820 lb | Bolt Circle (C) N/A 69.00 in | Number of Holes N/A 32 | Diameter of Holes N/A 2.88 in |