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 150
Size
D
B
G
M
H1
H2
H3
A
B1
B2
K
N
O
DEP
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
P
1/2"
88.9
11.1
34.9
30.2
47.6
15.9
15.9
21.3
15.7
22.35
60.3
4
15.9
9.65
3/4"
98.4
12.7
42.9
38.1
52.4
15.9
15.9
26.7
20.8
27.70
69.8
4
15.9
11.14
1"
107.9
14.3
50.8
49.2
55.6
17.5
17.5
33.5
26.7
34.54
79.4
4
15.9
12.7
1.1/4"
117.5
15.9
63.5
58.7
57.1
20.6
20.6
42.2
35.1
43.20
88.9
4
15.9
14.3
1.1/2"
127.0
17.5
73.0
65.1
61.9
22.2
22.2
48.3
40.9
49.50
98.4
4
15.9
15.9
2"
152.4
19.1
92.1
77.8
63.5
25.4
25.4
60.4
52.6
62.00
120.6
4
19.0
17.5
2.1/2"
177.8
22.2
104.8
90.5
69.8
28.6
28.6
73.1
62.7
74.70
139.7
4
19.0
19.0
3"
190.5
23.8
127.0
107.9
69.8
30.2
30.2
88.9
78.0
90.70
152.4
4
19.0
20.6
3.1/2"
215.9
23.8
139.7
122.2
71.4
31.7
31.7
101.6
90.2
103.50
177.8
8
19.0
22.3
4"
228.6
23.8
157.2
134.9
76.2
33.3
33.3
114.3
102.4
116.00
190.5
8
19.0
23.8
5"
254.0
23.8
185.7
163.5
88.9
36.5
36.5
141.2
128.3
143.80
215.9
8
22.2
23.8
6"
279.4
25.4
215.9
192.1
88.9
39.7
39.7
168.4
152.4
170.50
241.3
8
22.2
26.9
8"
342.9
28.6
269.9
246.1
101.6
44.4
44.4
219.2
202.7
221.50
298.4
8
22.2
31.7
10"
406.4
30.2
323.0
304.8
101.6
49.2
49.2
273.0
254.5
276.40
361.9
12
25.4
33.2
12"
482.6
31.8
323.8
365.1
114.3
55.6
55.6
323.8
304.8
327.20
431.8
12
25.4
39.6
14"
533.4
34.9
412.7
400.0
127.0
57.1
79.4
355.6
336.6
359.20
476.2
12
28.6
41.4
16"
596.9
36.5
469.9
457.2
127.0
63.5
87.3
406.4
387.35
410.50
539.7
16
28.6
44.4
18"
635.0
39.7
533.4
504.8
139.7
68.3
96.8
457.2
438.15
461.80
577.8
16
31.7
49.2
20"
698.5
42.9
584.2
558.8
144.5
73.0
103.2
508.0
489.00
513.10
635.0
20
31.7
54.1
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Design & Developed by
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.