本標(biāo)準(zhǔn)規(guī)定了卡套式錐螺紋直通管接頭,適用于油、氣及一般腐蝕性介質(zhì)的管路系統(tǒng)。 |
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標(biāo)記示例:
公稱壓力E級(jí),管子外徑D0為14mm的卡套式錐螺紋直通管接頭:
管接頭E14 JB/ZQ4401-97 |
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管子外徑D0
|
公稱通徑DN
|
d5
|
d |
l |
l1≈
|
L≈ |
扳手尺寸
|
e
|
e1
|
重 量(kg/100件)
|
S
|
S1
|
E(16)
|
4
|
3
|
NPT1/8
|
4.572
|
14
|
30
|
13
|
15
|
15
|
17.3
|
2.59
|
5
|
3.5
|
6
|
4
|
15.7
|
34
|
16
|
18.5
|
3.14
|
8
|
6
|
NPT1/4
|
5.080
|
22
|
40
|
16
|
18
|
18.5
|
20.8
|
5.58
|
10
|
8
|
42
|
18
|
21
|
20.8
|
24.2
|
6.47
|
12
|
10
|
NPT3/8
|
6.096
|
23
|
43
|
21
|
24
|
24.2
|
27.7
|
9.21
|
14
|
12
|
9.31
|
16
|
14
|
NPT1/2
|
8.128
|
24
|
45
|
27
|
27
|
31.2
|
31.2
|
13.4
|
18
|
15
|
30
|
34.6
|
14.7
|
20
|
17
|
NPT3/4
|
8.611
|
27
|
51
|
34
|
34
|
39.3
|
39.3
|
22
|
22
|
19
|
30.5
|
55
|
36
|
41.6
|
24.6
|
25
|
22
|
NPT1
|
10.160
|
32.5
|
58
|
41
|
41
|
47.3
|
47.3
|
40.1
|
28
|
24
|
33.5
|
59
|
45.1
|
32
|
27
|
NPT11/4
|
10.668
|
34.5
|
62
|
50
|
50
|
57.7
|
57.7
|
57.7
|
34
|
30
|
61.6
|
40
|
34
|
NPT11/2
|
35
|
63
|
55
|
55
|
63.5
|
63.5
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72.1
|
42
|
36
|
60
|
69.3
|
74.5
|
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