产品介绍
本标准规定了卡套式对接直通管接头,适用于油、气及一般腐蚀性介质的管路系统。
标记示例:
公称压力J级,管子外径D0为14mm的卡套对接直通管接头:
管接头J14 GB/T3756.1-1983
管子外径D0
|
公称通径DN
|
d5
|
l1≈
|
L≈
|
扳手尺寸
|
e
|
e1
|
重 量(kg/100件)
|
S
|
S1
|
G(25)
|
4
|
3
|
25
|
56
|
13
|
15
|
15
|
17.3
|
4.22
|
5
|
3.5
|
4.22
|
6
|
4
|
30.4
|
65
|
16
|
18.5
|
6.63
|
8
|
6
|
36
|
72
|
15
|
18
|
17.3
|
20.8
|
9.52
|
10
|
8
|
38
|
78
|
18
|
21
|
20.8
|
24.2
|
12.2
|
12
|
10
|
39
|
79
|
21
|
24
|
24.2
|
27.7
|
16
|
14
|
12
|
18.5
|
16
|
14
|
40
|
82
|
24
|
27
|
27.7
|
31.2
|
23.5
|
18
|
15
|
41
|
83
|
27
|
30
|
31.2
|
34.6
|
39.9
|
20
|
17
|
44
|
91
|
30
|
34
|
34.6
|
39.3
|
37.7
|
22
|
19
|
53
|
99
|
34
|
36
|
39.3
|
41.6
|
49.4
|
25
|
22
|
103
|
36
|
41
|
41.6
|
47.3
|
65.9
|
28
|
24
|
55
|
107
|
41
|
47.3
|
67.9
|
32
|
27
|
57
|
111
|
46
|
50
|
53.1
|
57.7
|
99.3
|
34
|
30
|
113
|
71.3
|
40
|
34
|
58
|
114
|
50
|
55
|
57.7
|
63.5
|
112.
|
42
|
36
|
55
|
60
|
63.5
|
69.3
|
139
|
J(40)
|
6
|
3
|
38
|
74
|
16
|
18
|
18.5
|
20.8
|
11.0
|
8
|
5
|
76
|
18
|
21
|
20.8
|
24.2
|
13.4
|
10
|
7
|
41
|
83
|
21
|
24
|
24.2
|
27.7
|
18.2
|
12
|
8
|
27.7
|
21.7
|
14
|
10
|
42
|
86
|
24
|
27
|
31.2
|
31.2
|
28
|
16
|
12
|
27
|
30
|
34.6
|
34.4
|
18
|
14
|
45
|
91
|
30
|
34
|
34.6
|
39.3
|
40.4
|
20
|
16
|
55
|
109
|
34
|
36
|
39.3
|
41.6
|
56.2
|
22
|
18
|
57
|
114
|
36
|
41
|
41.6
|
47.3
|
74.7
|
25
|
20
|
61
|
119
|
41
|
47.3
|
79.4
|
28
|
22
|
63
|
122
|
46
|
53.1
|
99.3
|
|
|