公称通径 |
齿形环 内径 D1 |
齿形环 外径 D2 |
公称压力PN/MPa |
齿形环 厚度 T |
外环 厚度 T1 |
覆盖层 厚度 t |
|||||
NPS/ in |
DN |
5.0 (Class300) |
11.0 (Class600) |
15.0 (Class900) |
26.0 (Class1500) |
42.0 (Class2500) |
|||||
外环外径D3 |
|||||||||||
15 |
23.0 |
33.3 |
52.5 |
52.5 |
62.5 |
62.5 |
69 |
4 |
1.5 |
0.5 |
|
20 |
28.6 |
39.7 |
66.5 |
66.5 |
69 |
69 |
75 |
4 |
1.5 |
||
1 |
25 |
36.5 |
47.6 |
73 |
73 |
77.5 |
77.5 |
84 |
4 |
1.5 |
|
32 |
44.4 |
60.3 |
82.5 |
82.5 |
87 |
87 |
103 |
4 |
1.5 |
||
40 |
52.4 |
69.8 |
94.5 |
94.5 |
97 |
97 |
116 |
4 |
1.5 |
||
2 |
50 |
69.8 |
88.9 |
111 |
111 |
141 |
141 |
144.5 |
4 |
1.5 |
|
65 |
82.5 |
101.6 |
129 |
129 |
163.5 |
163.5 |
167 |
4 |
1.5 |
||
3 |
80 |
98.4 |
123.8 |
148.5 |
148.5 |
166.5 |
173 |
195.5 |
4 |
1.5 |
|
4 |
100 |
123.8 |
154.0 |
180 |
192 |
205 |
208.5 |
234 |
4 |
1.5 |
|
5 |
125 |
150.8 |
182.6 |
215 |
240 |
246.5 |
253 |
279 |
4 |
2.0 |
|
6 |
150 |
177.8 |
212.7 |
250 |
265 |
287.5 |
281.5 |
316.5 |
4 |
2.0 |
|
8 |
200 |
228.6 |
266.7 |
306 |
319 |
357.5 |
351.5 |
386 |
4 |
2.0 |
|
10 |
250 |
282.6 |
320.7 |
360.5 |
399 |
434 |
434.5 |
529.5 |
4 |
2.0 |
|
12 |
300 |
339.9 |
377.8 |
421 |
456 |
497.5 |
519.5 |
549 |
4 |
2.0 |
|
14 |
350 |
371.5 |
409.6 |
484.5 |
491 |
520 |
579 |
4 |
2.0 |
||
16 |
400 |
422.3 |
466.7 |
538.5 |
564 |
574 |
641 |
4 |
2.0 |
||
18 |
450 |
479.4 |
530.2 |
595.5 |
612 |
638 |
704.5 |
4 |
2.0 |
||
20 |
500 |
530.2 |
581.0 |
653 |
682 |
697.5 |
756 |
4 |
2.0 |
||
22 |
550 |
581.0 |
631.8 |
704 |
733 |
— |
— |
4 |
2.0 |
||
24 |
600 |
631.8 |
682.6 |
774 |
790 |
837.5 |
900.5 |
4 |
2.0 |