Specifications
»
Dimensions of IS Flanges
»
Dimension of Flanges as per
Table BS-10
»
Dimensions in MM of
ANSI B 16.5 Class 150
»
Dimensions in MM of
ANSI B 16.5 Class 300
Dimensions
in MM of ANSI B 16.5 Class 300
Size
D
B
G
M
H1
H2
H3
A
B1
B2
K
N
O
P
Thread
O.D.
THK
R.F. DIA
HUB OD
W/N
SORF
LAP JOINT
NECK OD
WNRF ID
ID SW/
LAP/SORF
PCD
NO. OF HOLES
HOLE DIA
DEP
T
1/2"
95.2
14.3
34.9
38.1
52.4
22.2
22.2
21.3
15.7
22.35
66.7
4
15.9
9.6
15.7
3/4"
117.5
15.9
42.9
47.6
57.1
25.4
25.4
26.7
20.8
27.70
82.5
4
19.0
11.1
15.7
1"
123.8
17.5
50.8
54.0
61.9
26.9
26.9
33.5
25.7
34.54
88.9
4
19.0
12.7
17.5
1.1/4"
133.3
19.0
63.5
63.5
65.1
26.9
26.9
42.2
35.1
43.20
98.4
4
19.0
14.3
20.5
1.1/2"
155.6
20.6
73.0
69.8
68.3
30.2
30.2
48.3
40.9
49.50
114.3
4
22.2
15.9
22.3
2"
165.1
22.2
92.1
84.1
69.8
33.3
33.3
60.4
52.6
62.00
127.0
8
19.0
17.5
28.4
2.1/2"
190.5
25.4
104.8
100.0
76.2
38.1
38.1
73.1
62.7
74.70
149.2
8
22.2
19.0
31.7
3"
209.5
28.6
127.0
117.5
79.4
42.9
42.9
88.9
78.0
90.70
168.3
8
22.2
20.6
31.7
3.1/2"
228.6
30.2
139.7
133.4
81.0
44.4
44.4
101.6
90.2
103.50
184.1
8
22.2
36.5
4"
254.0
31.8
157.2
146.1
85.7
47.6
47.6
114.3
102.4
116.00
200.0
8
22.2
36.5
5"
279.4
34.9
185.7
177.8
98.4
50.8
50.8
141.2
128.3
143.80
234.9
8
22.2
42.9
6"
317.5
36.5
215.9
206.4
98.4
52.4
52.4
168.4
152.4
170.50
269.9
12
22.2
45.9
8"
381.0
41.3
269.9
260.4
111.1
61.9
61.9
219.2
202.7
221.50
330.2
12
25.4
50.8
10"
444.5
47.6
323.8
320.7
117.5
66.7
95.2
273.0
254.5
276.40
387.3
16
28.6
55.6
12"
520.7
50.8
381.0
374.6
130.2
73.0
101.6
323.8
304.8
327.20
450.8
16
31.7
60.4
14"
584.2
54.0
412.7
425.5
142.9
76.2
111.1
355.6
336.6
359.20
514.3
20
31.7
63.5
16"
647.7
57.2
469.9
482.6
146.0
82.5
120.6
406.4
387.35
410.50
571.5
20
34.9
68.3
18"
711.2
60.3
533.4
533.4
158.7
88.9
130.2
457.2
438.15
461.80
628.6
24
34.9
69.8
20"
774.7
63.5
584.2
587.4
161.9
95.2
139.7
508.0
489.00
513.10
685.8
24
34.9
73.1
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