ASME B16.47 Series B Flanges Class 300 Dimensions and Technical Drawings
ASME B16.47 Series B 300# Welding Neck Flange with RF
ASME B16.47 Series B Class 300 Blind Flange with RF
DOWNLOAD ASME B16.47 Series B Flanges Class 300 Dimensions and Technical Drawings PDF
Get Complete details of ANSI/ASME B16.47 Standard Flange
300# B16.47 Series B Flanges Dimensions
B16.47 Dimensions in MM
| NPS |
D |
K |
G |
X |
| 26 |
865 |
803.3 |
737 |
702 |
| 28 |
920 |
857.2 |
787 |
756 |
| 30 |
990 |
920.8 |
845 |
813 |
| 32 |
1055 |
977.9 |
902 |
864 |
| 34 |
1110 |
1031.9 |
953 |
918 |
| 36 |
1170 |
1089.0 |
1010 |
965 |
| 38 |
1220 |
1139.8 |
1060 |
1016 |
| 40 |
1275 |
1190.6 |
1114 |
1067 |
| 42 |
1335 |
1244.6 |
1168 |
1118 |
| 44 |
1385 |
1295.4 |
1219 |
1173 |
| 46 |
1460 |
1365.2 |
1270 |
1229 |
| 48 |
1510 |
1416.0 |
1327 |
1278 |
| 50 |
1560 |
1466.8 |
1378 |
1330 |
| 52 |
1615 |
1517.6 |
1429 |
1383 |
| 54 |
1675 |
1578.0 |
1480 |
1435 |
| 56 |
1765 |
1651.0 |
1537 |
1494 |
| 58 |
1825 |
1712.9 |
1594 |
1548 |
| 60 |
1880 |
1763.7 |
1651 |
1599 |
General Note:
- All dimensions are in MM.
- D: outside diameter of flange.
- K: diameter of bolt circle.
- G: outside diameter of raised face.
- X: diameter of hub of WN flange.
| NPS |
A |
TBL |
TWN |
Y |
| 26 |
665.2 |
87.4 |
87.7 |
143 |
| 28 |
716.0 |
87.4 |
87.4 |
148 |
| 30 |
768.4 |
92.1 |
92.1 |
156 |
| 32 |
819.2 |
101.6 |
101.6 |
167 |
| 34 |
870.0 |
101.6 |
101.6 |
171 |
| 36 |
920.8 |
101.6 |
101.6 |
179 |
| 38 |
971.6 |
109.6 |
109.6 |
191 |
| 40 |
1022.4 |
114.3 |
114.3 |
197 |
| 42 |
1074.7 |
117.5 |
117.5 |
203 |
| 44 |
1125.5 |
125.5 |
125.5 |
213 |
| 46 |
1176.3 |
128.6 |
127.0 |
221 |
| 48 |
1227.1 |
133.4 |
127.0 |
222 |
| 50 |
1277.9 |
138.2 |
136.6 |
233 |
| 52 |
1328.7 |
142.6 |
141.3 |
241 |
| 54 |
1379.5 |
147.7 |
135.0 |
238 |
| 56 |
1430.3 |
155.4 |
152.4 |
267 |
| 58 |
1481.1 |
160.4 |
152.4 |
273 |
| 60 |
1531.9 |
165.1 |
149.3 |
270 |
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 B flange.
| NPS |
n |
d |
l |
r |
| 26 |
32 |
1-3/8 |
1-1/4 |
14 |
| 28 |
36 |
1-3/8 |
1-1/4 |
14 |
| 30 |
36 |
1-1/2 |
1-3/8 |
14 |
| 32 |
32 |
1-5/8 |
1-1/2 |
16 |
| 34 |
36 |
1-5/8 |
1-1/2 |
16 |
| 36 |
32 |
1-3/4 |
1-5/8 |
16 |
| 38 |
36 |
1-3/4 |
1-5/8 |
16 |
| 40 |
40 |
1-3/4 |
1-5/8 |
16 |
| 42 |
36 |
1-7/8 |
1-3/4 |
16 |
| 44 |
40 |
1-7/8 |
1-3/4 |
16 |
| 46 |
36 |
2 |
1-7/8 |
16 |
| 48 |
40 |
2 |
1-7/8 |
16 |
| 50 |
44 |
2 |
1-7/8 |
16 |
| 52 |
48 |
2 |
1-7/8 |
16 |
| 54 |
48 |
2 |
1-7/8 |
16 |
| 56 |
36 |
2-3/8 |
2-1/4 |
17 |
| 58 |
40 |
2-3/8 |
2-1/4 |
17 |
| 60 |
40 |
2-3/8 |
2-1/4 |
17 |
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 B 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 B Class 300 Flanges Supply and Export Network
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