Class 900 Flanges
Technical Specifications
Dimensions of Class 900 Flanges (ANSI B 16.5) in mm |
||||||||||||||||
Nominal Pipe size |
|
Flange Dia 'O' |
Dia of Bolt circle 'A' |
Dia of Bolt Holes 'D' |
No. of Holes |
Thk of Flange 'C' |
Diameter at Weld Bevel |
Dia of Hub 'E' |
Length through Hub |
Bore 'B' |
Dia of R/F R |
Depth of Socket F |
Length of Threading |
|||
S/O & S/W Y |
W/N Y |
L/J Y |
S/O & S/W B |
L/J B |
||||||||||||
1/2 |
15 |
95.2 |
66.7 |
15.9 |
4 |
14.3 |
21.3 |
38.1 |
22.2 |
52.4 |
22.2 |
22.3 |
22.9 |
34.9 |
9.5 |
15.9 |
3/4 |
20 |
117.5 |
82.5 |
19.0 |
4 |
15.9 |
26.7 |
47.6 |
25.4 |
57.1 |
25.4 |
27.7 |
28.2 |
42.9 |
11.1 |
15.9 |
1 |
25 |
123.8 |
88.9 |
19.0 |
4 |
17.5 |
33.5 |
54 |
27 |
61.9 |
27 |
34.5 |
35 |
50.8 |
12.7 |
17.5 |
1 1/4 |
32 |
133.3 |
98.4 |
19.0 |
4 |
20.6 |
42.2 |
63.5 |
28.6 |
66.7 |
28.6 |
43.2 |
43.7 |
63.5 |
14.3 |
20.6 |
1 1/2 |
40 |
155.6 |
114.3 |
22.2 |
4 |
22.2 |
48.3 |
69.8 |
31.7 |
69.8 |
31.7 |
49.5 |
50 |
73 |
15.9 |
22.2 |
2 |
50 |
165.1 |
127 |
19.0 |
8 |
25.4 |
60.4 |
84.1 |
36.5 |
73 |
36.5 |
62 |
62.5 |
92.1 |
17.5 |
25.4 |
2 1/2 |
65 |
190.5 |
149.2 |
22.2 |
8 |
28.6 |
73.1 |
100 |
41.3 |
79.4 |
41.3 |
74.7 |
75.4 |
104.8 |
19.0 |
28.6 |
3 |
80 |
209.5 |
168.3 |
22.2 |
8 |
31.8 |
88.9 |
117.5 |
46 |
82.5 |
46 |
90.7 |
91.4 |
127.0 |
|
30.2 |
3 1/2 |
90 |
228.5 |
184.2 |
22.2 |
8 |
34.9 |
101.6 |
133.4 |
49.3 |
85.7 |
49. |
103.4 |
104.1 |
140 |
|
31.7 |
4 |
100 |
273.0 |
215.9 |
25.4 |
8 |
38.1 |
114.3 |
152.4 |
54 |
101.6 |
54 |
116.1 |
116.8 |
157.2 |
|
33.3 |
5 |
125 |
330.2 |
266.7 |
28.6 |
8 |
44.4 |
141.2 |
188.9 |
60.3 |
114.3 |
60.3 |
143.8 |
144.5 |
185.7 |
|
36.5 |
6 |
150 |
355.6 |
292.1 |
28.6 |
12 |
47.6 |
168.4 |
222.2 |
66.7 |
117.5 |
66.7 |
170.7 |
171.4 |
215.9 |
|
39.7 |
8 |
200 |
419.1 |
349.2 |
31.7 |
12 |
55.6 |
219.2 |
273 |
76.2 |
133.3 |
76.2 |
221.5 |
222.2 |
269.9 |
|
44.4 |
10 |
250 |
508 |
431.8 |
34.9 |
16 |
63.5 |
273.0 |
342.9 |
85.7 |
152.4 |
111.2 |
276.3 |
277.4 |
323.8 |
|
49.2 |
12 |
300 |
558.8 |
488.9 |
34.9 |
20 |
66.7 |
323.8 |
400 |
92.1 |
155.6 |
117.3 |
327.1 |
328.2 |
381 |
|
55.6 |
14 |
350 |
603.2 |
527 |
38.1 |
20 |
69.9 |
355.6 |
431.8 |
93.7 |
165.1 |
127 |
359.1 |
360.2 |
412.7 |
|
57.1 |
16 |
400 |
685.8 |
603.2 |
41.3 |
20 |
76.2 |
406.4 |
495.3 |
106.4 |
177.8 |
139.7 |
410.5 |
411.2 |
469.9 |
|
63.5 |
18 |
450 |
742.9 |
654 |
44.4 |
24 |
82.6 |
457.2 |
546.1 |
117.5 |
184.1 |
152.4 |
461.8 |
462.3 |
533.4 |
|
68.3 |
20 |
500 |
812.8 |
723.9 |
44.4 |
24 |
88.9 |
508 |
609.6 |
127 |
190.5 |
165.1 |
513.1 |
514.3 |
584.2 |
|
73.0 |
24 |
600 |
939.8 |
838.2 |
50.8 |
24 |
101.6 |
609.6 |
717.5 |
139.7 |
203.2 |
184.1 |
615.9 |
615.9 |
692.1 |
|
82.5 |
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