型号 |
接头外径 |
接头内径 |
公螺纹长度 |
节径 |
副台肩扭矩 |
主台肩扭矩 |
提高百分比 |
NC26 |
3 3/8 |
1 3/4 |
3 |
2.668 |
2066 |
6875 |
30% |
NC31 |
4 1/8 4 3/8 |
2 1 5/8 |
3 1/2 3 1/2 |
3.813 3.183 |
5020 7150 |
13389 17170 |
37% 42% |
NC38 |
5 5 5 |
2 9/16 2 7/16 3 1/8 |
4 4 4 |
3.808 3.808 3.808 |
6428 7908 11174 |
20326 22213 26515 |
32% 36% 42% |
NC40 |
5 3/8 5 1/4 5 1/2 6 1/2 |
2 7/16 2 9/16 2 1/4 2 7/16 |
4 1/2 4 1/2 4 1/2 4 1/2 |
4.072 4.072 4.072 4.072
|
11150 9623 13245 11150
|
29930 27760 32943 30114
|
37% 35% 40% 37%
|
NC46 |
6 6 6 1/4 6 1/4 6 1/4 6 1/4
|
3 1/4 3 3 2 3/4 2 1/2 2 1/4
|
4 1/2 4 1/2 4 1/2 4 1/2 4 1/2 4 1/2 |
4.626 4.626 4.626 4.626 4.626 4.626
|
10451 14898 14898 18860 22352 25389
|
33625 39229 39659 44871 49630 53936
|
31% 38% 38% 42% 45% 47%
|
NC50 |
6 5/8 6 5/8 6 5/8 6 5/8 6 5/8
|
3 3/4 3 1/2 3 1/4 3 2 3/4
|
4 1/2 4 1/2 4 1/2 4 1/2 4 1/2 |
5.042 5.042 5.042 5.042 5.042
|
10956 16678 21859 26513 30656
|
37676 44673 51447 57800 63406
|
29% 37% 42% 46% 48%
|
5 1/2FH |
7 7 7 1/4 7 1/4 7 1/2 |
3 3/4 3 1/2 3 1/2 3 1/4 3 |
5 5 5 5 5 |
5.591 5.591 5.591 5.591 5.591 |
25185 31214 29000 36672 41571 |
60338 60338 72480 76156 87341 |
42% 52% 41% 48% 48% |