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Threaded Flange

 
Threaded flange

Threaded Flanges are confined to special applications. Their chief merit lies in the fact that
they can be assembled without welding this explains their use in extremely high pressure
services, particularly at or near atmospheric temperature, when alloy steel is essential for
strength and where the necessary post weld heat treatment is impractical.

Threaded Flanges are unsuited for conditions involving temperature or bending stresses of any magnitude, particularly under cyclic conditions, where leakage through the threads may occur in relatively few cycles of heating or stress; sea welding is sometimes employed to overcome this, but cannot be considered as entirely satisfaction.

Notes:-
Flange dimensions to ANSI B16.5.
Dimensions "B" & "D" includes raised face thickness.
Larger outlet sizes are avilable on applications.
ANSI 150# / 300# 2mm Raised Face
ANSI 600# / 2500# 7mm Raised Face.
150#
Branch NB
A
B
D
E
F
Gx No
H
Weight kg
1/2" (15)
89
16
11.6
35.0
60.3
15.8 x 4
30
0.4
3/4" (20)
99
16
13.2
43.0
69.8
15.8 x 4
38
0.7
1" (25)
108
17
14.7
51.0
79.4
15.8 x 4
49
0.8
1 1/2" (40)
127
22
19.5
73.0
98.4
15.8 x 4
65
1.4
2" (50)
152
25
22.7
92.0
120.6
19.0 x 4
78
2.2
3" (80)
191
30
24.3
127.0
152.4
19.0 x 4
108
4.1
4" (100)
229
33
24.3
157.0
190.5
19.0 x 8
135
5.6
6" (150)
279
40
25.9
215.0
241.3
22.2 x 8
192
7.5
.
300#
Branch NB
A
B
D
E
F
Gx No
H
Weight kg
1/2" (15)
96
22
14.7
35.0
66.7
15.8 x 4
38
0.7
3/4" (20)
117
25
16.3
43.0
82.6
19.0 x 4
48
1.1
1" (25)
124
27
17.9
51.0
88.9
19.0 x 4
54
1.4
1 1/2" (40)
156
30
21.1
73.0
114.3
22.2 x 4
70
2.6
2" (50)
165
33
22.7
92.0
127.0
19.0 x 8
84
3.4
3" (80)
210
43

29.0

127.0
168.3
22.2 x 8
118
6.1
4" (100)
254
48
32.2
157.0
200.0
22.2 x 8
146
10.1
6" (150)
318
52
37.0
215.0
269.0
22.2 x 12
206
14.1
.
600#
Branch NB
A
B
D
E
F
Gx No
H
Weight kg
1/2" (15)
96
29
21.3
35.0
67
15.8 x 4
38
0.8
3/4" (20)
117
32
22.9
43.0
83
19.0 x 4
48
1.4
1" (25)
124
34
24.5
51.0
89
19.0 x 4
54
1.6
1 1/2" (40)
156
39
29.3
73.0
114.3
22.2 x 4
70
3.1
2" (50)
165
44
32.4
92.0
127.0
19.0 x 8
84
3.7
3" (80)
210
53
39.8
127.0
168.3
22.2 x 8
118
7.3
4" (100)
273
61
45.1
157.0
216
25.4 x 8
152
15.8
6" (150)
356
74
54.7
215.0
292
28.5 x 12
222
29.5
.
900#
Branch NB
A
B
D
E
F
Gx No
H
Weight kg
1/2" (15)
121
39
29.3
35.0
82.6
22.2 x 4
38
1.7
3/4" (20)
130
42
32.4
43.0
89
22.2 x 4
44
2.3
1" (25)
149
48
35.6
51.0
102
25.4 x 4
52
3.4
1 1/2" (40)
178
51
39.8
73.0
123.8
28.5 x 4
70
5.4
2" (50)
216
64
45.1
92.0
165
25.4 x 8
105
9.8
3" (80)
241
61
45.6
127.0
191
25.4 x 8
127
11.6
4" (100)
292
77
51.5
157.0
235.0
31.8 x 8
159
19.8
6" (150)
381
93
62.6
215.0
317.5
31.8 x 12
235
41.2
.
1500#
Branch NB
A
B
D
E
F
Gx No
H
Weight kg
1/2" (15)
121
39
29.3
35.0
83
22.2 x 4
38
1.7
3/4" (20)
130
42
32.4
43.0
89
22.2 x 4
44
2.4
1" (25)
149
48
35.6
51.0
102
25.4 x 4
52
3.5
1 1/2" (40)
178
51
39.8
73.0
123.8
28.5 x 4
70
5.5
2" (50)
216
64
45.1
92.0
165
25.4 x 8
105
10
.
2500#
Branch NB
A
B
D
E
F
Gx No
H
Weight kg
1/2" (15)
133
40
37.2
35.0
66.7
22.2 x 4
43
3.0
3/4" (20)
140
43
39.8
43.0
82.6
22.2 x 4
51
4.0
1" (25)
159
48
42.0
51.0
88.9
25.4 x 4
57
5.0
1 1/2" (40)
203
60
51.5
73.0
114.3
31.8 x 4
79
11.0
2" (50)
235
70
57.9
92.0
127.0
28.5 x 8
95
17.0
Keywords: FLANGE,THREADED,THREADED FLANGE,THRD,THRD FLANGE,CARBON STEEL FLANGE,STAINLESS STEEL FLANGE,LF2,A105,A182,F11,NACE
کلمات کلیدی: فلنج، فلنج دنده، فلنج رده 80، فلنج استنلس استیل، فلنج کربن استیل، فلنج نیس، دنده، فلنج پی وی دی اف، ریس فیس
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