ASMEb16.5 standard Flange Dimension And Theoretical Weight

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ASMEB16.5 150lb/sq.in. SOCKET WELD FLANGE RF
Nominal Size
Outside Diam.
Thick. of Flange
Diam. of Raised Face
Diam of Hub at Base
Length Thru Hub
Diam. of Bore
Depth of Socket
No. of Holes
Diam. of Holes
Diam. of Bolts
Diam. of Bolt Circle
Approx. Weight Pounds Kg
O
C
R
X
Y
B
D
1/2″
in.
3.5
0.44
1.38
1.19
0.62
0.88
0.38
4
0.62
1/2
2.38
1
mm.
88.9
11.2
35.1
30.2
15.7
22.4
9.7
15.7
12.7
60.5
0.5
3/4″
in.
3.88
0.5
1.69
1.5
0.62
1.09
0.44
4
0.62
1/2
2.75
2
mm.
98.6
12.7
42.9
38.1
15.7
27.7
11.2
15.7
12.7
69.9
1
1″
in.
4.25
0.56
2
1.94
0.69
1.36
0.5
4
0.62
1/2
3.12
2
mm.
108
14.2
50.8
49.3
17.5
34.5
12.7
15.7
12.7
79.2
1
1 1/4″
in.
4.62
0.62
2.5
2.31
0.81
1.7
0.56
4
0.62
1/2
3.5
3
mm.
117.3
15.7
63.5
58.7
20.6
43.2
14.2
15.7
12.7
88.9
1
1 1/2″
in.
5
0.69
2.88
2.56
0.88
1.95
0.62
4
0.62
1/2
3.88
3
mm.
127
17.5
73.2
65
22.4
49.5
15.7
15.7
12.7
98.6
1
2″
in.
6
0.75
3.62
3.06
1
2.44
0.69
4
0.75
5/8
4.75
5
mm.
152.4
19.1
91.9
77.7
25.4
62
17.5
19.1
15.9
120.7
2
2 1/2″
in.
7
0.88
4.12
3.56
1.12
2.94
0.75
4
0.75
5/8
5.5
7
mm.
177.8
22.4
104.6
90.4
28.4
74.7
19.1
19.1
15.9
139.7
3
3″
in.
7.5
0.94
5
4.25
1.19
3.57
0.81
4
0.75
5/8
6
8
mm.
190.5
23.9
127
108
30.2
90.7
20.6
19.1
15.9
152.4
4
3 1/2″
in.
8.5
0.94
5.5
4.81
1.25
4.07
8
0.75
5/8
7
11
mm.
215.9
23.9
139.7
122.2
31.8
103.4
19.1
15.9
177.8
5
4″
in.
9
0.94
6.19
5.31
1.31
4.57
8
0.75
5/8
7.5
13
mm.
228.6
23.9
157.2
134.9
33.3
116.1
19.1
15.9
190.5
6
5″
in.
10
0.94
7.31
6.44
1.44
5.66
8
0.88
3/4
8.5
15
mm.
254
23.9
185.7
163.6
36.6
143.8
22.4
19.1
215.9
7
6″
in.
11
1
8.5
7.56
1.56
6.72
8
0.88
3/4
9.5
19
mm.
279.4
25.4
215.9
192
39.6
170.7
22.4
19.1
241.3
9
8″
in.
13.5
1.12
10.62
9.69
1.75
8.72
8
0.88
3/4
11.75
30
mm.
342.9
28.4
269.7
246.1
44.5
221.5
22.4
19.1
298.5
14
10″
in.
16
1.19
12.75
12
1.94
10.88
12
1
7/8
14.25
43
mm.
406.4
30.2
323.9
304.8
49.3
276.4
25.4
22.2
362
20
12″
in.
19
1.25
15
14.38
2.19
12.88
12
1
7/8
17
64
mm.
482.6
31.8
381
365.3
55.6
327.2
25.4
22.2
431.8
29
14″
in.
21
1.38
16.25
15.75
2.25
14.14
12
1.12
1
18.75
90
mm.
533.4
35.1
412.8
400.1
57.2
359.2
28.4
25.4
476.3
41
16″
in.
23.5
1.44
18.5
18
2.5
16.16
16
1.12
1
21.25
98
mm.
596.9
36.6
469.9
457.2
63.5
410.5
28.4
25.4
539.8
44
18″
in.
25
1.56
21
19.88
2.69
18.18
16
1.25
1 1/8
22.75
130
mm.
635
39.6
533.4
505
68.3
461.8
31.8
28.6
577.9
59
20″
in.
27.5
1.69
23
22
2.88
20.2
20
1.25
1 1/8
25
165
mm.
698.5
42.9
584.2
558.8
73.2
513.1
31.8
28.6
635
75
24″
in.
32
1.88
27.25
26.12
3.25
24.25
20
1.38
1 1/4
29.5
220
mm.
812.8
47.8
692.2
663.4
82.6
616
35.1
31.8
749.3
100

July Zhang

Email:July@zssteeltube.com

Nov.16 2017

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