SERIES A
ASME B16.47 Class 600 Series A Welding Neck Flanges
SPECIFICATIONS
▪ All dimensions are in inches
▪ 1/4" raised face will be added to the thickness unless
otherwise specified
otherwise specified
▪ Flat face option available
| Nominal Pipe Size |
Outside Diameter |
Minimum Thickness |
Raised Face Diameter |
Length Thru Hub |
Hub Diameter |
Minimum Fillet Radius |
Top of Hub |
Bore | Approximate Weight |
Bolt Circle |
Number of Holes |
Diameter of Holes |
| (O) | (T) | (R) | (Y) | (X) | (r) | (A) | (B) | (lbs) | (C) | |||
| 26 | 40.00 | 4.25 | 29.50 | 8.75 | 29.44 | 0.50 | 26 | Specified by purchaser |
940 | 36.00 | 28 | 2.00 |
| 28 | 42.25 | 4.38 | 31.50 | 9.25 | 31.62 | 0.50 | 28 | Specified by purchaser |
1060 | 38.00 | 28 | 2.12 |
| 30 | 44.50 | 4.50 | 33.75 | 9.75 | 33.94 | 0.50 | 30 | Specified by purchaser |
1210 | 40.25 | 28 | 2.12 |
| 32 | 47.00 | 4.62 | 36.00 | 10.25 | 36.12 | 0.50 | 32 | Specified by purchaser |
1375 | 42.50 | 28 | 2.38 |
| 34 | 49.00 | 4.75 | 38.00 | 10.62 | 38.31 | 0.56 | 34 | Specified by purchaser |
1540 | 44.50 | 28 | 2.38 |
| 36 | 51.75 | 4.88 | 40.25 | 11.12 | 40.62 | 0.56 | 36 | Specified by purchaser |
1705 | 47.00 | 28 | 2.62 |
| 38 | 50.00 | 6.00 | 41.50 | 10.00 | 40.25 | 0.56 | 38 | Specified by purchaser |
1470 | 45.75 | 28 | 2.38 |
| 40 | 52.00 | 6.25 | 43.75 | 10.38 | 42.25 | 0.56 | 40 | Specified by purchaser |
1630 | 47.75 | 32 | 2.38 |
| 42 | 55.25 | 6.62 | 46.00 | 11.00 | 44.38 | 0.56 | 42 | Specified by purchaser |
2030 | 50.50 | 28 | 2.62 |
| 44 | 57.25 | 6.81 | 48.25 | 11.38 | 46.50 | 0.56 | 44 | Specified by purchaser |
2160 | 52.50 | 32 | 2.62 |
| 46 | 59.50 | 7.06 | 50.25 | 11.81 | 48.62 | 0.56 | 46 | Specified by purchaser |
2410 | 54.75 | 32 | 2.62 |
| 48 | 62.75 | 7.44 | 52.50 | 12.44 | 50.75 | 0.56 | 48 | Specified by purchaser |
2855 | 57.50 | 32 | 2.88 |
| 50 | 65.75 | 7.75 | 54.50 | 12.94 | 52.88 | 0.56 | 50 | Specified by purchaser |
3330 | 60.00 | 28 | 3.12 |
| 52 | 67.75 | 8.00 | 56.50 | 13.25 | 54.88 | 0.56 | 52 | Specified by purchaser |
3560 | 62.00 | 32 | 3.12 |
| 54 | 70.00 | 8.25 | 58.75 | 13.75 | 57.00 | 0.56 | 54 | Specified by purchaser |
3920 | 64.25 | 32 | 3.12 |
| 56 | 73.00 | 8.56 | 60.75 | 14.25 | 59.12 | 0.62 | 56 | Specified by purchaser |
4280 | 66.75 | 32 | 3.38 |
| 58 | 75.00 | 8.75 | 63.00 | 14.56 | 61.12 | 0.62 | 58 | Specified by purchaser |
4640 | 68.75 | 32 | 3.38 |
| 60 | 78.50 | 9.19 | 65.25 | 15.31 | 63.38 | 0.69 | 60 | Specified by purchaser |
5000 | 71.75 | 28 | 3.62 |