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ANSI B16.5
Blind Flanges
Class 600 lb |
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| Pipe |
Flange Data |
Raised Face |
Drillinchg Data |
Weight |
Nominchal
Pipe Size |
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A |
C |
G |
H |
I |
J |
kg/
piece |
Outside
Diameter |
Overall
Diameter |
Flange
Thickness min |
Face
Diameter |
Number
of Holes |
Bolt Hole
Diameter |
Diameter of
Circle of Holes |
inch
mm |
inch
mm |
inch
mm |
inch
mm |
inch
mm |
inch
mm |
| ½ |
0.840
21.30 |
3.750
95.20 |
0 560
14.20 |
1.380
35.10 |
4 |
0 620
15.70 |
2.620
66.55 |
0.76 |
| ¾ |
1.050
26.70 |
4 620
117.3 |
0.620
15.70 |
1.690
42.90 |
4 |
0.750
19 10 |
3.250
82.60 |
1.28 |
| 1 |
1.315
33.40 |
4.880
123 9 |
0.690
17.50 |
2.000
50.80 |
4 |
0.750
19.10 |
3.500
88.90 |
1.60 |
| 1¼ |
1.660
42.20 |
5.250
133.3 |
0.810
20.60 |
2.500
63.50 |
4 |
0.750
19.10 |
3.880
98.60 |
2.23 |
| 1½ |
1.900
48.30 |
6.120
155.4 |
0.880
22.30 |
2.880
73.15 |
4 |
0.880
22.40 |
4.500
114.3 |
3.25 |
| 2 |
2.375
60.30 |
6.500
165.1 |
1 000
25.40 |
3.620
91.90 |
8 |
0.750
19.10 |
5.000
127.0 |
4.15 |
| 2½ |
2 875
73.00 |
7.500
190.5 |
1.120
28.40 |
4.120
104.6 |
8 |
0.880
22.40 |
5.880
149.4 |
6.13 |
| 3 |
3.500
88.90 |
8.250
209.5 |
1.250
31.70 |
5.000
127.0 |
8 |
0.880
22.40 |
6.620
168.1 |
8.44 |
| 3½ |
4.000
101.6 |
9.000
228.6 |
1.380
35.00 |
5.500
139.7 |
8 |
1.000
25 40 |
7.250
184.2 |
11.0 |
| 4 |
4.500
114.3 |
10.75
273.1 |
1.500
38.10 |
6.190
157.2 |
8 |
1.000
25.40 |
8.500
215.9 |
17.3 |
| 5 |
5.563
141.3 |
13.00
330.2 |
1.750
44.50 |
7.310
185.7 |
8 |
1.120
28.40 |
10 50
266.7 |
294 |
| 6 |
6625
168.3 |
14.00
355.6 |
1 880
47.80 |
8.500
215.9 |
12 |
1.120
28.40 |
11.50
292.1 |
36.1 |
| 8 |
8.625
219.1 |
16.50
419.1 |
2.190
55.60 |
10.62
269.7 |
12 |
1.250
31.75 |
13.75
349.3 |
58.9 |
| 10 |
10.75
273.0 |
20.00
508.0 |
2.500
63.50 |
12.75
323.9 |
16 |
1.380
35.10 |
17.00
431.8 |
97.5 |
| 12 |
12.75
323.8 |
22.00
558.8 |
2 620
66.55 |
15.00
381.0 |
20 |
1.380
35.10 |
19.25
489.0 |
124 |
| 14 |
14.00
355.6 |
23.75
603.3 |
2.750
69.85 |
16.25
412.8 |
20 |
1.500
38.10 |
20.75
527.1 |
151 |
| 16 |
16.00
406.4 |
27.00
685.8 |
3.000
76.20 |
18.50
469.9 |
20 |
1.620
41.10 |
23.75
603.3 |
214 |
| 18 |
18.00
457.2 |
29.25
743.0 |
3.250
82.60 |
21.00
533.4 |
20 |
1.750
44.50 |
25.75
654.1 |
272 |
| 20 |
20.00
508.0 |
32.00
812.8 |
3 500
88.90 |
23.00
584.2 |
24 |
1.750
44.50 |
28.50
723.9 |
349 |
| 24 |
24.00
609.6 |
37.00
939.8 |
4.000
101.6 |
27.25
692.20 |
24 |
2.000
50.80 |
33.00
838.2 |
533 |
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Notes
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Weights are based on manufacturer's data and are approximate.
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