HG /T 21629 (A7-2) - 1999 三螺栓管夹（保温管用），英制管用
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| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1-1/2 | 90 | Φ25x3 | ▢ 40x4 | 140 | 80 | 6870 | 6080 | 180 | 100 | M16x60 | 28 |
| 1-1/4 | 61 | Φ25x3 | ▢ 40x4 | 110 | 75 | 6870 | 6080 | 160 | 85 | M16x60 | 28 |
| 2-1/2 | 169 | Φ32x3.5 | ▢ 60x10 | 260 | 90 | 12650 | 11280 | 260 | 170 | M24x90 | 38 |
| 1.0000 | 42 | Φ18x3 | ▢ 30x4 | 80 | 30 |
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| 4220 |
| 3730 |
| 90 |
| 60 |
| M10x40 |
| 16 |
| 2.0000 | 142 | Φ32x3.5 | ▢ 50x8 | 210 | 80 | 11090 | 9910 | 220 | 140 | M20x80 | 34 |
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