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Socket welding flange
ANSI B 16.5 FORGED FLANGES     300LBS UNIT:MM
 
Nominal Pipe
Size
Outside Diam
Diam at
Base of
Hub
O.D.of Raised face
Thick- ness
BORE
LENGTH THRU HUB
Diam.of
Hub at
Bevel
Radiys
of
Fillet
Threaded Length
Welding
Neck
Socket
Welding
Slip-on
Socket
Welding
Lop
Joint
Counter
Bore
Min.Threaded Min.
Welding Neck
Slip-on Threaded Socket
Welding
Lap
Joint
D
X
G
f
B1
B2
B3
B
T1
T2
T3
A
R
Q
1/2
3/4
1
95
117
124
38.1
47.8
53.8
35.1
42.9
50.8
14.2
15.7
17.5
15.7
20.8
26.7
22.4
27.7
34.5
22.9
28.2
35.1
23.6
29.0
35.8
52.3
57.2
62.0
22.4
25.4
26.9
22.4
25.4
26.9
21.3
26.7
33.5
3.0
3.0
3.0
15.7
15.7
17.5
11/4
11/2
2
133
155
165
63.5
69.9
84.1
63.5
73.2
91.9
19.1
20.6
22.1
35.1
40.9
52.6
43.2
49.5
62.0
43.7
50.0
62.5
44.5
50.5
63.5
65.0
68.3
69.9
26.9
30.2
33.3
26.9
30.2
33.3
42.2
48.3
60.5
4.8
6.4
7.9
20.6
22.4
28.4
21/2
3
31/2
191
210
229
100.1
117.3
133.4
104.6
127.0
139.7
25.4
28.4
30.2
62.7
78.0
90.2
74.7
90.7
103.4
75.4
91.4
104.1
76.2
92.2
104.9
76.2
79.2
81.0
38.1
42.9
44.5
38.1
42.9
44.5
73.2
88.9
101.6
7.9
9.7
9.7
31.8
31.8
36.6
4
5
6
254
279
318
146.1
177.8
206.2
157.2
185.7
215.9
31.8
35.1
36.6
102.4
128.3
154.2
116.1
143.8
170.7
116.8
144.5
171.5
117.6
144.5
171.5
85.9
98.6
98.6
47.8
50.8
52.6
47.8
50.8
52.3
114.3
141.2
168.4
11.2
11.2
12.7
36.6
42.9
46.0
8
10
12
381
445
521
260.4
320.5
374.7
269.7
323.9
381.0
41.1
47.8
50.8
202.7
254.5
304.8
221.5
276.4
327.2
222.3
277.4
328.2
222.3
276.4
328.7
111.3
117.3
130.0
62.0
66.5
73.2
62.0
95.3
101.6
219.2
273.1
323.9
12.7
12.7
12.7
50.8
55.6
60.5
14
16
18
584
648
711
425.5
482.6
533.4
412.8
469.9
533.4
53.8
57.2
60.5
336.6
387.4
438.2
359.2
410.5
461.8
360.2
411.2
462.3
360.4
411.2
462.0
142.7
146.1
158.8
76.2
82.6
88.9
111.3
120.7
130.0
355.6
406.4
457.2
12.7
12.7
12.7
63.5
68.3
69.9
20
24
775
914
587.2
701.5
584.2
692.2
63.5
69.9
489.0
590.6
513.1
616.0
514.4
616.0
512.8
614.4
162.1
168.1
95.3
106.4
139.7
152.4
508.0
609.6
12.7
12.7
73.2
82.6

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