ASME B16.47 Series A Flanges Class 150 Dimensions and Technical Drawings
ASME B16.47 Series A 150# Welding Neck Flange with RF
ASME B16.47 Series A Class 150 Blind Flange with RF
DOWNLOAD ASME B16.47 SERIES A FLANGES CLASS 150 DIMENSIONS AND TECHNICAL DRAWINGS PDF
150# B16.47 Series A Flanges Dimensions B16.47 Dimensions in MM
| NPS | D | K | G | X |
| 26″ | 870 | 806.4 | 749 | 676 |
| 28″ | 925 | 863.6 | 800 | 727 |
| 30″ | 985 | 914.4 | 857 | 781 |
| 32″ | 1060 | 977.9 | 914 | 832 |
| 34″ | 1110 | 1028.7 | 965 | 883 |
| 36″ | 1170 | 1085.8 | 1022 | 933 |
| 38″ | 1240 | 1149.4 | 1073 | 991 |
| 40″ | 1290 | 1200.2 | 1124 | 1041 |
| 42″ | 1345 | 1257.3 | 1194 | 1092 |
| 44″ | 1405 | 1314.4 | 1245 | 1143 |
| 46″ | 1455 | 1365.2 | 1295 | 1197 |
| 48″ | 1510 | 1422.4 | 1359 | 1248 |
| 50″ | 1570 | 1479.6 | 1410 | 1302 |
| 52″ | 1625 | 1536.7 | 1461 | 1353 |
| 54″ | 1685 | 1593.8 | 1511 | 1403 |
| 56″ | 1745 | 1651.0 | 1575 | 1457 |
| 58″ | 1805 | 1708.2 | 1626 | 1508 |
| 60″ | 1855 | 1759.0 | 1676 | 1559 |
General Note:
- All dimensions are in MM.
- D: outside diameter of flange.
- K: diameter of bolt circle.
- G: diameter of raised face.
- X: diameter of hub of flange.
| NPS | A | TBL | TWN | Y |
| 26″ | 660.4 | 66.7 | 66.7 | 119 |
| 28″ | 711.2 | 69.9 | 69.9 | 124 |
| 30″ | 762.0 | 73.1 | 73.1 | 135 |
| 32″ | 812.8 | 79.4 | 79.4 | 143 |
| 34″ | 863.6 | 81.0 | 81.0 | 148 |
| 36″ | 914.4 | 88.9 | 88.9 | 156 |
| 38″ | 965.2 | 85.8 | 85.8 | 156 |
| 40″ | 1016.0 | 88.9 | 88.9 | 162 |
| 42″ | 1066.8 | 95.3 | 95.3 | 170 |
| 44″ | 1117.6 | 100.1 | 100.1 | 176 |
| 46″ | 1168.4 | 101.6 | 101.6 | 184 |
| 48″ | 1219.2 | 106.4 | 106.4 | 191 |
| 50″ | 1270.0 | 109.6 | 109.6 | 202 |
| 52″ | 1320.8 | 114.3 | 114.3 | 208 |
| 54″ | 1371.6 | 119.1 | 119.1 | 214 |
| 56″ | 1422.4 | 122.3 | 122.3 | 227 |
| 58″ | 1473.2 | 127.0 | 127.0 | 233 |
| 60″ | 1524.0 | 130.2 | 130.2 | 238 |
General Note:
- All dimensions are in MM.
- A: Diameter of hub top of WN.
- TBL: minimum thickness of blind flange.
- TWN: minimum thickness of WN flange.
- Y: length through hub of WN.
- t: 2mm height of RF for Class 150 Series A flange.
| NPS | n | d | l | r |
| 26″ | 24 | 1-3/8 | 1-1/4 | 10 |
| 28″ | 28 | 1-3/8 | 1-1/4 | 11 |
| 30″ | 28 | 1-3/8 | 1-1/4 | 11 |
| 32″ | 28 | 1-5/8 | 1-1/2 | 11 |
| 34″ | 32 | 1-5/8 | 1-1/2 | 13 |
| 36″ | 32 | 1-5/8 | 1-1/2 | 13 |
| 38″ | 32 | 1-5/8 | 1-1/2 | 13 |
| 40″ | 36 | 1-5/8 | 1-1/2 | 13 |
| 42″ | 36 | 1-5/8 | 1-1/2 | 13 |
| 44″ | 40 | 1-5/8 | 1-1/2 | 13 |
| 46″ | 40 | 1-5/8 | 1-1/2 | 13 |
| 48″ | 44 | 1-5/8 | 1-1/2 | 13 |
| 50″ | 44 | 1-7/8 | 1-3/4 | 13 |
| 52″ | 44 | 1-7/8 | 1-3/4 | 13 |
| 54″ | 44 | 1-7/8 | 1-3/4 | 13 |
| 56″ | 48 | 1-7/8 | 1-3/4 | 13 |
| 58″ | 48 | 1-7/8 | 1-3/4 | 13 |
| 60″ | 52 | 1-7/8 | 1-3/4 | 13 |
General Note:
- n: number of bolt holes.
- d: diameter of bolt hole.
- l: diameter of bolt.
- r: minimum fillet radius for WN.
- d and l are in inch units, while r is in mm unit.
ASME B16.47 Series A Class 150 Flanges Industries and Applications Widely used in the industries
- Pumps, Valves, and vessels in manufacturing and food processing.
- Pipe connections in industrial waterworks.
- Heat exchangers and heating systems of all sizes.
- Mining support.
- Nuclear power systems.
- Plumbing and mechanical systems.
- Assemblies in the oil, gas, and petrochemical industries.
- Fire protection systems.
ASME B16.47 Series A Class 150 Flanges Supply and Export Network List of Cities and Countries
