ASME B16.47 Series A Flanges Class 400 Dimensions and Technical Drawings
ASME B16.47 Series A 400# Welding Neck Flange with RF
ASME B16.47 Series A Class 400 Blind Flange with RF
DOWNLOAD ASME B16.47 SERIES A FLANGES CLASS 400 DIMENSIONS AND TECHNICAL DRAWINGS PDF
Get Complete details of ANSI/ASME B16.47 Standard Flange
400# B16.47 Series A Flanges Dimensions
B16.47 Dimensions in MM
| NPS |
D |
K |
G |
X |
| 26″ |
970 |
876.3 |
749 |
727 |
| 28″ |
1035 |
939.8 |
800 |
783 |
| 30″ |
1090 |
997.0 |
857 |
837 |
| 32″ |
1150 |
1054.1 |
914 |
889 |
| 34″ |
1205 |
1104.9 |
965 |
945 |
| 36″ |
1270 |
1168.4 |
1022 |
1000 |
| 38″ |
1205 |
1117.6 |
1035 |
1003 |
| 40″ |
1270 |
1174.6 |
1092 |
1054 |
| 42″ |
1320 |
1225.6 |
1143 |
1108 |
| 44″ |
1385 |
1282.7 |
1200 |
1159 |
| 46″ |
1440 |
1339.8 |
1257 |
1213 |
| 48″ |
1510 |
1403.4 |
1308 |
1267 |
| 50″ |
1570 |
1460.5 |
1362 |
1321 |
| 52″ |
1620 |
1511.3 |
1413 |
1372 |
| 54″ |
1700 |
1581.2 |
1470 |
1426 |
| 56″ |
1755 |
1632.0 |
1527 |
1480 |
| 58″ |
1805 |
1682.8 |
1578 |
1530 |
| 60″ |
1885 |
1752.6 |
1635 |
1584 |
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 |
98.5 |
88.9 |
194 |
| 28″ |
711.2 |
104.8 |
95.3 |
206 |
| 30″ |
762.0 |
111.2 |
101.6 |
219 |
| 32″ |
812.8 |
115.9 |
108.0 |
232 |
| 34″ |
863.6 |
122.3 |
111.2 |
241 |
| 36″ |
914.4 |
128.6 |
114.3 |
251 |
| 38″ |
965.2 |
123.9 |
123.9 |
206 |
| 40″ |
1016.0 |
130.2 |
130.2 |
216 |
| 42″ |
1066.8 |
133.4 |
133.4 |
224 |
| 44″ |
1117.6 |
139.7 |
139.7 |
233 |
| 46″ |
1168.4 |
146.1 |
146.1 |
244 |
| 48″ |
1219.2 |
152.4 |
152.4 |
257 |
| 50″ |
1270.0 |
158.8 |
157.2 |
268 |
| 52″ |
1320.8 |
163.6 |
162.0 |
276 |
| 54″ |
1371.6 |
171.5 |
169.9 |
289 |
| 56″ |
1422.4 |
176.3 |
174.7 |
298 |
| 58″ |
1473.2 |
181.0 |
177.8 |
306 |
| 60″ |
1524.0 |
189.0 |
185.8 |
319 |
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: 7mm height of RF for Class 400 Series A flange.
| NPS |
n |
d |
l |
r |
| 26″ |
28 |
1-7/8 |
1-3/4 |
11 |
| 28″ |
28 |
2 |
1-7/8 |
13 |
| 30″ |
28 |
2-1/8 |
2 |
13 |
| 32″ |
28 |
2-1/8 |
2 |
13 |
| 34″ |
28 |
2-1/8 |
2 |
14 |
| 36″ |
32 |
2-1/8 |
2 |
14 |
| 38″ |
32 |
1-7/8 |
1-3/4 |
14 |
| 40″ |
32 |
2 |
1-7/8 |
14 |
| 42″ |
32 |
2 |
1-7/8 |
14 |
| 44″ |
32 |
2-1/8 |
2 |
14 |
| 46″ |
36 |
2-1/8 |
2 |
14 |
| 48″ |
28 |
2-3/8 |
2-1/4 |
14 |
| 50″ |
32 |
2-3/8 |
2-1/4 |
14 |
| 52″ |
32 |
2-3/8 |
2-1/4 |
14 |
| 54″ |
28 |
2-5/8 |
2-1/2 |
14 |
| 56″ |
32 |
2-5/8 |
2-1/2 |
14 |
| 58″ |
32 |
2-5/8 |
2-1/2 |
14 |
| 60″ |
32 |
2-7/8 |
2-3/4 |
14 |
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 400 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 400 Flanges Supply and Export Network
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