ASME B16.47 Series A Flanges Class 300 Dimensions and Technical Drawings
ASME B16.47 Series A 300# Welding Neck Flange with RF
ASME B16.47 Series A Class 300 Blind Flange with RF
DOWNLOAD ASME B16.47 SERIES A FLANGES CLASS 300 DIMENSIONS AND TECHNICAL DRAWINGS PDF
Get Complete details of ANSI/ASME B16.47 Standard Flange
300# B16.47 Series A Flanges Dimensions
B16.47 Dimensions in MM
| NPS |
D |
K |
G |
X |
| 26″ |
970 |
876.3 |
749 |
721 |
| 28″ |
1035 |
939.8 |
800 |
775 |
| 30″ |
1090 |
997.0 |
857 |
827 |
| 32″ |
1150 |
1054.1 |
914 |
881 |
| 34″ |
1205 |
1104.9 |
965 |
937 |
| 36″ |
1270 |
1168.4 |
1022 |
991 |
| 38″ |
1170 |
1092.2 |
1029 |
994 |
| 40″ |
1240 |
1155.7 |
1086 |
1048 |
| 42″ |
1290 |
1206.5 |
1137 |
1099 |
| 44″ |
1355 |
1263.6 |
1194 |
1149 |
| 46″ |
1415 |
1320.8 |
1245 |
1203 |
| 48″ |
1465 |
1371.6 |
1302 |
1254 |
| 50″ |
1530 |
1428.8 |
1359 |
1305 |
| 52″ |
1580 |
1479.6 |
1410 |
1356 |
| 54″ |
1660 |
1549.4 |
1467 |
1410 |
| 56″ |
1710 |
1600.2 |
1518 |
1464 |
| 58″ |
1760 |
1651.0 |
1575 |
1514 |
| 60″ |
1810 |
1701.8 |
1626 |
1565 |
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 |
82.6 |
77.8 |
183 |
| 28″ |
711.2 |
88.9 |
84.2 |
195 |
| 30″ |
762.0 |
93.7 |
90.5 |
208 |
| 32″ |
812.8 |
98.5 |
96.9 |
221 |
| 34″ |
863.6 |
103.2 |
100.1 |
230 |
| 36″ |
914.4 |
109.6 |
103.2 |
240 |
| 38″ |
965.2 |
106.4 |
106.4 |
179 |
| 40″ |
1016.0 |
112.8 |
112.8 |
192 |
| 42″ |
1066.8 |
117.5 |
117.5 |
198 |
| 44″ |
1117.6 |
122.3 |
122.3 |
205 |
| 46″ |
1168.4 |
127.0 |
127.0 |
214 |
| 48″ |
1219.2 |
131.8 |
131.8 |
222 |
| 50″ |
1270.0 |
138.2 |
138.2 |
230 |
| 52″ |
1320.8 |
142.9 |
142.9 |
237 |
| 54″ |
1371.6 |
150.9 |
150.9 |
251 |
| 56″ |
1422.4 |
152.4 |
152.4 |
259 |
| 58″ |
1473.2 |
157.2 |
157.2 |
265 |
| 60″ |
1524.0 |
162.0 |
162.0 |
271 |
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 300 Series A flange.
| NPS |
n |
d |
l |
r |
| 26″ |
28 |
1-3/4 |
1-5/8 |
10 |
| 28″ |
28 |
1-3/4 |
1-5/8 |
11 |
| 30″ |
28 |
1-7/8 |
1-3/4 |
11 |
| 32″ |
28 |
2 |
1-7/8 |
11 |
| 34″ |
28 |
2 |
1-7/8 |
13 |
| 36″ |
32 |
2-1/8 |
2 |
13 |
| 38″ |
32 |
1-5/8 |
1-1/2 |
13 |
| 40″ |
32 |
1-3/4 |
1-5/8 |
13 |
| 42″ |
32 |
1-3/4 |
1-5/8 |
13 |
| 44″ |
32 |
1-7/8 |
1-3/4 |
13 |
| 46″ |
28 |
2 |
1-7/8 |
13 |
| 48″ |
32 |
2 |
1-7/8 |
13 |
| 50″ |
32 |
2-1/8 |
2 |
13 |
| 52″ |
32 |
2-1/8 |
2 |
13 |
| 54″ |
28 |
2-3/8 |
2-1/4 |
13 |
| 56″ |
28 |
2-3/8 |
2-1/4 |
13 |
| 58″ |
32 |
2-3/8 |
2-1/4 |
13 |
| 60″ |
32 |
2-3/8 |
2-1/4 |
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 300 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 300 Flanges Supply and Export Network
List of Cities and Countries
