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High Pressure Forged Steel Fittings
- Specification
Unit: mm
DN
Nominal
Pipe Size
End to End
Couplings, W
End to End
Caps, P
Outside
Diameter, D
Minimum End
Wall Thickness, G
Minimum Length of Thread [Note(1)]
Class Designation
Class Designation
Class Designation
Class Designation
3000
6000
3000
6000
3000
6000
3000
6000
B
L2
6
1/8"
32
32
19
--
16
22
4.8
6.4
6.7
8
1/4"
35
35
25
27
19
25
4.8
6.4
8.1
10.2
10
3/8"
38
38
25
27
22
32
4.8
6.4
9.1
10.4
15
1/2"
48
48
32
33
28
38
6.4
7.9
10.9
13.6
20
3/4"
51
51
37
38
35
44
6.4
7.9
12.7
13.9
25
1"
60
60
41
43
44
57
9.7
11.2
14.7
17.3
32
1-1/4"
67
67
44
46
57
64
9.7
11.2
17.0
18.0
40
1-1/2"
79
79
44
48
64
76
11.2
12.7
17.8
18.4
50
2"
86
86
48
51
76
92
12.7
15.7
19.0
19.2
65
2-1/2"
92
92
60
64
92
108
15.7
19.0
23.6
28.9
80
3"
108
108
65
68
108
127
19.0
22.4
25.9
30.5
100
4"
121
121
68
75
140
159
22.4
28.4
27.7
33.0
[Note(1)] Dimension B is minimum length of perfect thread. The length of useful thread (B plus thread with fully formed roots and flat crests) shall not be less than L2 (effective length of external thread) required by American National Standard for Pipe Threads (ASME B
General Note;
(a) Class 2000 and NPS1⁄8 Class 6000 couplings, half couplings, and caps are not included in this Standard.
(b) The wall thickness away from the threaded ends shall meet the minimum wall thickness requirements of Table
