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Untitled Document
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ANSI B16.5
Weld Neck Flanges
Class 900 lb
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Pipe |
Flange Data |
Hub Data |
Raised Face |
Drilling Data |
|
Weight |
| Nominal Pipe Size |
|
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
Z |
| Outside Diameter |
Overall Diameter |
Inside Diameter |
Flange Thickness min |
Overall Length |
Diameter at Weld |
Hub Diameter |
Face Diameter |
Number of Holes |
Bolt Hole Diameter |
Diameter of Circle of Holes: |
kg/ piece |
inch
mm |
inch
mm |
inch
mm |
inch
mm |
inch
mm |
inch
mm |
inch
mm |
inch
mm |
inch
mm |
inch
mm |
| ½ |
0.840 21.30 |
4.750 120.6 |
To be specified by Purchaser |
0.880 22,30 |
2.380 60.45 |
0.840 21.30 |
1.500 38.10 |
1.380 35.00 |
4 |
0.880
22.30 |
3.250 82.50 |
1.87 |
| ¾
|
1.050 26.70 |
5.120 130.0 |
1.000 25.40 |
2.750 69.85 |
1.050 26.70 |
1.750 44.00 |
1.690 42.90 |
4 |
0.880 22.30 |
3.500 88.90 |
2.56 |
| 1 |
1.315 33.40 |
5.880 149.3 |
1.120 28.40 |
2.880 73.15 |
1.320 33.50 |
2.060 52.30 |
2.000 50.80 |
4 |
1.000 25.40 |
4.000 101.6 |
3.74 |
| 1¼ |
1.660 42.20 |
6.250 158.7 |
1.120 28.40 |
2.880 73.15 |
1.660 42.20 |
2.500 63.50 |
2.500 63.50 |
4 |
1.000 25.40 |
4.380 111.2 |
4.33 |
| 1½ |
1.900 48.30 |
7.000 177.8 |
1.250 31.70 |
3.250 82.50 |
1.900 48.30 |
2.750 69.85 |
2.880 73.15 |
4 |
1.120 28.40 |
4.880 123.9 |
5.94 |
| 2 |
2.375 60.30 |
8.500 215.9 |
1.500 38.10 |
4,000 101.6 |
2.380 60.45 |
4.120 104.6 |
3.620 91.90 |
8 |
1,000 25.40 |
6.500 165.1 |
10.8 |
| 2½ |
2.875 73.00 |
9,620 244,3 |
1.620
41.10 |
4.120 104.6 |
2.880 73.15 |
4.880 123.9 |
4.120 104.6 |
8 |
1.120 28.40 |
7.500 190.5 |
15.0 |
| 3 |
3.500 88.90 |
9,500 241.3 |
1.500 38.10 |
4.000 101.6 |
3.500 88.90 |
5.000 127,0 |
5.000 127.0 |
8 |
1.000 25.40 |
7.500 190.5 |
13.7 |
| 4 |
4.500
114 3 |
11.50 292.1 |
1.750 44,40 |
4.500 114.3 |
4.500 114.3 |
6.250 158.7 |
6.190 157,2 |
8 |
1.250 31.70 |
9.250 234.9 |
22 5 |
| 5 |
5.563 141.3 |
13.75 349.2 |
2.000 50.80 |
5.000 127.0 |
5.560 141.2 |
7.500 190.5 |
7.310 185.7 |
8 |
1.380 35.00 |
11.00 279.4 |
37.4 |
| 6 |
6.625 168.3 |
15.00 381.0 |
2.190 55.60 |
5.500 139.7 |
6.630 168.4 |
9.250 234.9 |
8.500 215.9 |
12 |
1.250 31.70 |
12.50 317.5 |
47.7 |
| 8 |
8.625 219.1 |
18.50 469.9 |
2.500 63.50 |
6.380 162.0 |
8.630 219.2 |
11.75 298.4 |
10.62 269.7 |
12 |
1.500 38.10 |
15.50 393.7 |
81.3 |
| 10 |
10.75 273.0 |
21.50 546.1 |
2.750 69.85 |
7.250 184.1 |
10.75 273.0 |
14.50 368.3 |
12.75 323.8 |
16 |
1.500 38.10 |
18.50 469.9 |
119 |
| 12 |
12.75 323.8 |
24.00 609.6 |
3.120 79.25 |
7.880 200.1 |
12.75 323.8 |
16.50 419.1 |
15.00 381.0 |
20 |
1.500 38.10 |
21.00 533.4 |
157 |
| 14 |
14.00
355.6 |
25.25 641.3 |
3,380 85.80 |
8.380 212.8 |
14.00 355.6 |
17.75 450.8 |
16.25 412.7 |
20 |
1.620 41.10 |
22.00 558.8 |
180 |
| 16 |
16.00 406.4 |
27.75 704.8 |
3.500 88.90 |
8.500 215.9 |
16.00 406.4 |
20.00 508.0 |
18.50 469.9 |
20 |
1.750 44.40 |
24.25 615.9 |
217 |
| 18 |
18.00 457.2 |
31.00 787.4 |
4.000
101.6 |
9.000 228.6 |
18.00 457.2 |
22.25 565.1 |
21.00 533.4 |
20 |
2.000 50.80 |
27.00 685.8 |
292 |
| 20 |
20.00 508.0 |
33.75 857.2 |
4.250 107.9 |
9.750 247.6 |
20.00 508.0 |
24.50 622.3 |
23.00 584.2 |
20 |
2.120 53.80 |
29.50 749.3 |
362 |
| 24 |
24.00
609.6 |
41.00 1041.4 |
5.500 139.7 |
11.50 292.1 |
24.00 609.6 |
29.50 749.3 |
27.25 692.1 |
20 |
2.620 66.55 |
35.50 901.7 |
665 |
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Notes
- Dimension B corresponds to the pipe inside diameter. Values quoted assume 40S/Standard wall thickness.
- Weights are based on manufacturer's data and are approximate.
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