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outside diameter | inside diameter | surface thickness | the number of reinforcing rib |
25 | 17 | 4 | 0 |
31 | 22 | 4.5 | 0 |
33 | 25 | 4 | 0 |
38.5 | 30.5 | 4 | 0 |
40 | 30 | 5 | 0 |
43 | 33 | 5 | 0 |
47 | 40 | 3.5 | 0 |
50 | 40 | 5 | 0 |
52 | 48 | 4 | 0 |
55 | 45 | 5 | 0 |
60 | 52 | 4 | 6 |
70 | 62 | 4 | 7 |
75 | 66 | 4.2 | 8 |
80 | 72 | 4 | 7 |
90 | 82 | 4 | 7 |
100 | 92 | 4 | 8 |
110 | 101 | 4.4 | 8 |
120 | 110 | 5.1 | 9 |
130 | 118 | 6 | 9 |
140 | 120 | 10 | 0 |
150 | 137 | 6.3 | 10 |
160 | 140 | 10 | 0 |
170 | 150 | 10 | 0 |
180 | 160 | 10 | 0 |
200 | 180 | 10 | 0 |





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