| 本標準規(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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標記示例：
公稱壓力E級，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 |
| |
|
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 |
72.1 |
|
42 |
36 |
60 |
69.3 |
74.5 | |
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