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| ANSI
B16.5 FORGED FLANGES |
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| Class
300-400-600 Ring Joint Flanges |
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|
Unit: mm |
|
| Nominal Pipe
Size |
Pitch Diam of Ring and Groove |
width of Ring |
Height of Ring |
Width of fiat on octagonal |
Width of Groove |
Depth of Groove |
Diameter of Raised face for ring joint of lapped |
Ring Number |
Approximate distance between flanges of ring joints when rings is
compressed |
|
| Oval |
Octagona |
|
| P |
A |
B |
H |
C |
F |
E (L) |
K (Min) |
|
| ½ |
34.1 |
6.4 |
11.1 |
9.5 |
4.3 |
7.1 |
5.6 |
50.8 |
R11 |
3.0 |
|
| ¾ |
42.9 |
8.0 |
14.3 |
12.7 |
5.2 |
8.7 |
6.4 |
63.5 |
R13 |
4.1 |
|
| 1 |
50.8 |
8.0 |
14.3 |
12.7 |
5.2 |
8.7 |
6.4 |
69.9 |
R16 |
4.1 |
|
| 1 ¼ |
60.3 |
8.0 |
14.3 |
12.7 |
5.2 |
8.7 |
6.4 |
79.5 |
R18 |
4.1 |
|
| 1 ½ |
68.3 |
8.0 |
14.3 |
12.7 |
5.2 |
8.7 |
6.4 |
90.4 |
R20 |
4.1 |
|
| 2 |
82.6 |
11.1 |
17.5 |
15.9 |
7.7 |
11.9 |
7.9 |
108.0 |
R23 |
5.6 |
|
| 2 ½ |
101.6 |
11.1 |
17.5 |
15.9 |
7.7 |
11.9 |
7.9 |
127.0 |
R26 |
5.6 |
|
| 3 |
123.8 |
11.1 |
17.5 |
15.9 |
7.7 |
11.9 |
7.9 |
146.1 |
R31 |
5.6 |
|
| 3 ½ |
131.8 |
11.1 |
17.5 |
15.9 |
7.7 |
11.9 |
7.9 |
158.8 |
R34 |
5.6 |
|
| 4 |
149.2 |
11.1 |
17.5 |
15.9 |
7.7 |
11.9 |
7.9 |
174.8 |
R37 |
5.6 |
|
| 5 |
181.0 |
11.1 |
17.5 |
15.9 |
7.7 |
11.9 |
7.9 |
209.6 |
R41 |
5.6 |
|
| 6 |
211.1 |
11.1 |
17.5 |
15.9 |
7.7 |
11.9 |
7.9 |
241.3 |
R45 |
5.6 |
|
| 8 |
269.9 |
11.1 |
17.5 |
15.9 |
7.7 |
11.9 |
7.9 |
301.8 |
R49 |
5.6 |
|
| 10 |
323.9 |
11.1 |
17.5 |
15.9 |
7.7 |
11.9 |
7.9 |
355.6 |
R53 |
5.6 |
|
| 12 |
381.0 |
11.1 |
17.5 |
15.9 |
7.7 |
11.9 |
7.9 |
412.8 |
R57 |
5.6 |
|
| 14 |
419.1 |
11.1 |
17.5 |
15.9 |
7.7 |
11.9 |
7.9 |
457.2 |
R61 |
5.6 |
|
| 16 |
469.9 |
11.1 |
17.5 |
15.9 |
7.7 |
11.9 |
7.9 |
508.0 |
R65 |
5.6 |
|
| 18 |
533.4 |
11.1 |
17.5 |
15.9 |
7.7 |
11.9 |
7.9 |
574.8 |
R69 |
5.6 |
|
| 20 |
584.2 |
12.7 |
19.1 |
17.5 |
8.7 |
13.5 |
9.5 |
635.0 |
R73 |
5.6 |
|
| 24 |
692.2 |
15.9 |
22.2 |
20.7 |
10.5 |
16.7 |
11.1 |
749.3 |
R77 |
6.4 |
|
| Notes: |
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| Unless
otherwise specified by the customer, Ring type Joint Flanges will be
furnished in accordance with these details. |
| the
depth of groove is added to the monimum Flange thickness. |
|
|
|
|
|
| *
Raised face "L" is equal to groove dimension "E" but is
not subject to tolerances for "E" |
|
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|
| *
A plus tolerance of 3/64 in, for heights B and H is permitted providing the
variation in the height of any given ring does not |
| exceed
1/64 in, throughout its entire circumference. |
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|
| dimension
"R" is max. |
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| Radius
"r" is 1/16" for ring widths 7/8" and less and 3/32"
for ring widths 1" (25.4mm) and over. |
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