本标准适用于以油、气为介质的管路系统用扩口式锥螺纹端直通管接头。
标记示例：
管子外径D0为10mm的A型扩口式锥螺纹直通管接头：
管接头A10 JB/ZQ4408-97
|
管子外径DO
|
d0
|
d
|
l
|
l1≈
|
e1
|
e
|
s1
|
s
|
重 量(kg/100件)
|
|
4
|
3
|
Z1/8
|
4.572
|
33.5
|
15
|
15
|
13
|
13
|
2.7
|
|
5
|
3.5
|
2.6
|
|||||||
|
6
|
4
|
37.5
|
17.3
|
15
|
2.5
|
||||
|
8
|
6
|
Z1/4
|
5.080
|
46
|
20.8
|
21
|
18
|
16
|
6.1
|
|
10
|
8
|
47
|
24.2
|
20.8
|
21
|
18
|
7.4
|
||
|
12
|
10
|
Z3/8
|
6.096
|
48
|
27.7
|
24.2
|
24
|
21
|
10.0
|
|
14
|
12
|
31.2
|
27.7
|
27
|
24
|
12.3
|
|||
|
16
|
14
|
Z1/2
|
8.128
|
49.5
|
34.6
|
31.2
|
30
|
27
|
15.8
|
|
18
|
15
|
16.6
|
|||||||
|
20
|
17
|
Z3/4
|
8.611
|
61.5
|
41.6
|
39.3
|
36
|
34
|
29.3
|
|
22
|
19
|
62.5
|
29.6
|
||||||
|
25
|
22
|
Z1
|
10.160
|
65
|
47.3
|
47.3
|
41
|
41
|
40.1
|
|
28
|
24
|
67.5
|
53.1
|
46
|
47.2
|
||||
|
32
|
27
|
Z11/4
|
10.668
|
71
|
57.7
|
53.1
|
50
|
46
|
61.1
|
|
34
|
30
|
57.7
|
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