ANSI B16.5 Class150 lb Threaded Flanges
Threaded Flanges :
ANSI B16.5 Class150 lb Threaded Flanges :
The thread conforms to ASME B1.20.1 NTP threads as described in Section 10. (The only exceptions are small male and female plain face threaded flanges which use NPSL recount threads);
Class 150 threaded flanges are made without a counterbore. Threads are chamfered to the major diameter (approx.) at an angle of 45 ° (approx.) at the back of the flange;
Weights are based on manufacturer’s data and are approximate.
Specification:
Pipe |
Flange Data |
Hub |
Raised Face |
Drilling Data |
||||||
Nominal |
Outside |
A |
C |
D |
E |
F |
G |
H |
I |
J |
Overall |
Flange |
Overall |
Threaded |
Hub |
Face |
Number |
Bolt Hole |
Diameter |
||
in |
in |
in |
in |
in |
in |
in |
in |
in |
in |
|
1/2 |
0.84 |
3.5 |
0.44 |
0.62 |
0.62 |
1.19 |
1.38 |
4 |
0.62 |
2.38 |
3/4 |
1.050 |
3.880 |
0.500 |
0.62 |
0.62 |
1.500 |
1.690 |
4 |
0.620 |
2.750 |
1 |
1.315 |
4.250 |
0.560 |
0.690 |
0.690 |
1.940 |
2.000 |
4 |
0.620 |
3.120 |
1 1/4 |
1.660 |
4.620 |
0.620 |
0.810 |
0.810 |
2.310 |
2.500 |
4 |
0.620 |
3.500 |
1 1/2 |
1.900 |
5.000 |
0.690 |
0.880 |
0.880 |
2.560 |
2.880 |
4 |
0.620 |
3.880 |
2 |
2.375 |
6.000 |
0.750 |
1.000 |
1.000 |
3.060 |
3.620 |
4 |
0.750 |
4.750 |
2 1/2 |
2.875 |
7.000 |
0.880 |
1.120 |
1.120 |
3.560 |
4.120 |
4 |
0.750 |
5.500 |
3 |
3.500 |
7.500 |
0.940 |
1.190 |
1.190 |
4.250 |
5.000 |
4 |
0.750 |
6.000 |
3 1/2 |
4.000 |
8.500 |
0.940 |
1.250 |
1.250 |
4.810 |
5.500 |
8 |
0.750 |
7.000 |
4 |
4.500 |
9.000 |
0.940 |
1.310 |
1.310 |
5.310 |
6.190 |
8 |
0.750 |
7.500 |
5 |
5.563 |
10.00 |
0.940 |
1.440 |
1.440 |
6.440 |
7.310 |
8 |
0.880 |
8.500 |
6 |
6.625 |
11.00 |
1.000 |
1.560 |
1.560 |
7.560 |
8.500 |
8 |
0.880 |
9.500 |
8 |
8.625 |
13.50 |
1.120 |
1.750 |
1.750 |
9.690 |
10.62 |
8 |
0.880 |
11.75 |
10 |
10.75 |
16.00 |
1.190 |
1.940 |
1.940 |
12.00 |
12.75 |
12 |
1.000 |
14.25 |
12 |
12.75 |
19.00 |
1.250 |
2.190 |
2.190 |
14.38 |
15.00 |
12 |
1.000 |
17.00 |
14 |
14.00 |
21.00 |
1.380 |
2.250 |
2.250 |
15.75 |
16.25 |
12 |
1.120 |
18.75 |
16 |
16.00 |
23.50 |
1.440 |
2.500 |
2.500 |
18.00 |
18.50 |
16 |
1.120 |
21.25 |
18 |
18.00 |
25.00 |
1.560 |
2.690 |
2.690 |
19.88 |
21.00 |
16 |
1.250 |
22.75 |
20 |
20.00 |
27.50 |
1.690 |
2.880 |
2.880 |
22.00 |
23.00 |
20 |
1.250 |
25.00 |
24 |
24.00 |
32.00 |
1.880 |
3.250 |
3.250 |
26.12 |
27.25 |
20 |
1.380 |
29.50 |
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