Hangzhou Hitech Petrochemical Equipment Co., Ltd.
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| category of Materials | Class I (Q235-A) | Class II (0Cr18Ni9) | |||||
| Name | |||||||
| Nominal diameter (DN) | 80 | 100 | 150 | 80 | 100 | 150 | |
| Outside diameter of bubble cap D1× Wall thickness S1 | 80×2 | 100×3 | 150×3 | 80 | 100×1.5 | 150×1.5 | |
| outside diameter of top of bubble cap D3 | — | — | 152 | — | — | 152 | |
| Outside diameter of chimney D2× Wall thickness S2 | 57×3.5 | 70×4 | 108×4 | 57×2.75 | 70×3 | 108×4 | |
| Total height H1 | 95 | 105 | 107 | 95 | 105 | 107 | |
| Height of chimney H2 | 57 | 62 | 64 | 57 | 62 | 64 | |
| Height of bubble cap H3 | 65 | 75 | 73 | 65 | 75 | 73 | |
| Height from the top of bubble cap to slot H4 | 1 | 40 | 45 | — | 40 | 45 | — |
| 2 | 35 | 42 | — | 35 | 42 | — | |
| 3 | 30 | 38 | — | 30 | 38 | — | |