Metal Pall Ring
Pall Ring
It is one of the most common and well-known packing. It is made of a metal thin sheet and have special structure, there are two row window with ligules towards inside on the ring wall, each row window has five ligules bend to inside of the ring and point to center, at which the ligules touch each other, the position of up and down window is stagger, usually the area of window is about 30% of the whole ring area. The window on the ring wall let distribution and mass transfer efficiency of liquid and gas inside packing better than Raschig Ring.
| Size (mm) | Bulk Density 304 (kg/m3) | Number (n/m3) | Surface Area (m2/m3) | Voidage | Dry Packing Factor (m-1) |
|---|---|---|---|---|---|
| 16 | 348 | 201000 | 344 | 95.5% | 393.2 |
| 25 | 439 | 53500 | 219 | 94.2% | 244.1 |
| 38 | 328 | 15000 | 146 | 95.9% | 154.6 |
| 50 | 315 | 6500 | 108 | 96.8% | 130.5 |
| 76 | 265 | 1920 | 69 | 97.4% | 79.6 |
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13936_22__CAR/SIC__EPDM__304__G60
Mechanical seal R-MG1 22, CAR/SIC, EPDM, 304, G60
14556_12__SIC/SIC__EPDM__304
Mechanical seal for Grundfos R-706H (CR) 12, SIC/SIC, EPDM, 304
