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Lap joint flange
ANSI B 16.5 FORGED FLANGES     1000LBS UNIT:MM
 
Normal
Pipe
Size
Depth
of
Socket
DRILLNG
BOLTING
APPROXIMATE WEIGHT
Bolt
Circle
Diam
Number
of
Diam
Diam of
Holes
Diam of
Bolts
(inch)
 
Stud Bolt Length
Welding Neck
Slip-on
and
Threaded
Lap Joint
Blind
Socket Welding
Y
0.25"
Raised
Face
Male Fe-male
Tongue
Groove
Ring Joint
kg
kg
kg
kg
kg
1/2
3/4
1
9.7
11.2
12.7
66.5
82.6
88.9
4
4
4
15.7
19.1
19.1
1/2
5/8
5/8
76.2
88.9
88.9
69.9
82.6
82.6
76.2
88.9
88.9
0.98
1.60
2.00
0.98
1.40
2.00
0.98
1.40
2.00
0.98
1.40
2.00
0.98
1.36
2.11
11/4
11/2
2
14.2
15.7
17.5
98.6
114.3
127.0
4
4
8
19.1
22.4
19.1
5/8
3/4
5/8
95.3
108.0
108.0
88.9
101.6
101.6
95.3
108.0
108.0
2.80
3.80
4.54
2.70
3.80
4.10
2.70
3.80
4.00
2.70
3.80
4.60
3.03
3.88
4.37
21/2
3
31/2
19.1
20.6
22.4
149.4
168.1
184.2
8
8
8
22.4
22.4
25.4
3/4
3/4
7/8
120.7
127.0
139.7
114.3
120.7
133.4
120.7
127.0
139.7
8.20
8.80
12.00
5.90
7.30
9.53
5.90
7.30
9.40
6.80
8.90
13.17
6.36
7.44
4
5
6
23.9
23.9
26.9
215.9
266.7
292.1
8
8
12
25.4
28.4
28.4
7/8
1
1
146.1
165.1
171.5
139.7
158.8
165.1
146.1
165.1
171.5
17.00
31.00
36.77
17.00
29.00
36.32
17.00
29.00
36.00
18.60
30.84
39.00
 
8
10
12
31.8
33.3
39.6
349.3
431.8
489.0
12
16
20
31.8
35.1
35.1
11/8
11/4
11/4
190.5
215.9
222.3
184.2
209.6
215.9
196.9
215.9
222.3
55.00
90.00
110.00
52.00
77.00
97.52
52.00
77.00
108.86
64.00
102.00
132.00
 
14
16
18
41.4
44.5
49.3
527.1
603.3
654.1
20
20
20
38.1
41.1
44.5
13/8
11/2
15/8
235.0
254.0
273.1
228.6
247.7
266.7
235.0
254.0
273.1
127.00
177.06
215.65
102.00
149.82
182.00
113.00
165.71
197.00
159.00
224.73
285.00
 
20
24
54.1
63.5
723.9
838.2
24
24
44.5
50.8
15/8
17/8
285.8
330.2
279.4
323.9
292.1
336.6
267.86
372.00
231.54
330.00
260.00
370.00
365.00
565.00

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