SERIES A
ASME B16.47 Class 150 Series A Welding Neck Flanges
SPECIFICATIONS
▪ All ASME B16.47 CLASS 150# SERIES "A" weld neck flange
dimensions are in inches
▪ These ASME B16.47 CLASS 150# SERIES "A" weld neck
flanges will be supplied with a 1/16" raised face unless
otherwise specified
flanges will be supplied with a 1/16" raised face unless
otherwise specified
▪ Flat face option available for ASME B16.47 CLASS 150#
SERIES "A" weld neck flanges
SERIES "A" weld neck flanges
| 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 | 34.25 | 2.69 | 29.50 | 4.75 | 26.62 | 0.38 | 26 | Specified by purchaser |
300 | 31.75 | 24 | 1.38 |
| 28 | 36.50 | 2.81 | 31.50 | 4.94 | 28.62 | 0.44 | 28 | Specified by purchaser |
345 | 34.00 | 28 | 1.38 |
| 30 | 38.75 | 2.94 | 33.75 | 5.38 | 30.75 | 0.44 | 30 | Specified by purchaser |
400 | 36.00 | 28 | 1.38 |
| 32 | 41.75 | 3.19 | 36.00 | 5.69 | 32.75 | 0.44 | 32 | Specified by purchaser |
505 | 38.50 | 28 | 1.62 |
| 34 | 43.75 | 3.25 | 38.00 | 5.88 | 34.75 | 0.50 | 34 | Specified by purchaser |
540 | 40.50 | 32 | 1.62 |
| 36 | 46.00 | 3.56 | 40.25 | 6.19 | 36.75 | 0.50 | 36 | Specified by purchaser |
640 | 42.75 | 32 | 1.62 |
| 38 | 48.75 | 3.44 | 42.25 | 6.19 | 39.00 | 0.50 | 38 | Specified by purchaser |
720 | 45.25 | 32 | 1.62 |
| 40 | 50.75 | 3.56 | 44.25 | 6.44 | 41.00 | 0.50 | 40 | Specified by purchaser |
775 | 47.25 | 36 | 1.62 |
| 42 | 53.00 | 3.81 | 47.00 | 6.75 | 43.00 | 0.50 | 42 | Specified by purchaser |
890 | 49.50 | 36 | 1.62 |
| 44 | 55.25 | 4.00 | 49.00 | 7.00 | 45.00 | 0.50 | 44 | Specified by purchaser |
990 | 51.75 | 40 | 1.62 |
| 46 | 57.25 | 4.06 | 51.00 | 7.31 | 47.12 | 0.50 | 46 | Specified by purchaser |
1060 | 53.75 | 40 | 1.62 |
| 48 | 59.50 | 4.25 | 53.50 | 7.56 | 49.12 | 0.50 | 48 | Specified by purchaser |
1185 | 56.00 | 44 | 1.62 |
| 50 | 61.75 | 4.38 | 55.50 | 8.00 | 51.25 | 0.50 | 50 | Specified by purchaser |
1270 | 58.25 | 44 | 1.88 |
| 52 | 64.00 | 4.56 | 57.50 | 8.25 | 53.25 | 0.50 | 52 | Specified by purchaser |
1410 | 60.50 | 44 | 1.88 |
| 54 | 66.25 | 4.75 | 59.50 | 8.50 | 55.25 | 0.50 | 54 | Specified by purchaser |
1585 | 62.75 | 44 | 1.88 |
| 56 | 68.75 | 4.88 | 62.00 | 9.00 | 57.38 | 0.50 | 56 | Specified by purchaser |
1760 | 65.00 | 48 | 1.88 |
| 58 | 71.00 | 5.06 | 64.00 | 9.25 | 59.38 | 0.50 | 58 | Specified by purchaser |
1915 | 67.25 | 48 | 1.88 |
| 60 | 73.00 | 5.19 | 66.00 | 9.44 | 61.38 | 0.50 | 60 | Specified by purchaser |
2045 | 69.25 | 52 | 1.88 |