Polypropylene Pall Rings
Pall's plastic rings are universal mass-transfer cap top with good flow capacity and low resistance.
Pall rings are well-modernized Raschig rings and with similar external dimensions have a large specific surface area and free volume.
Polypropylene Pall rings are made with extrude methodic from polypropylene granules.
Advantages of polypropylene Pall rings
- High free volume
- Low pressure drop
- Low height of the mass-transfer equipment
- Universal contact of liquid and gas
- Low specific gravity
- High surface of mass-transfer
- High efficiency
- Low weight
- Long service life
- Low cost
Main materials of Pall Rings
- Polypropylene, PP
- Polyethylene
- Polyvinyl chloride, PVC, X-PVC
- Polyvinylidene fluoride, PVDF, PVDF
- Titanium
Characteristics of Pall Rings
| Type of cap top | Size, mm | Specific surface, m2/m3 | Quantity, pcs /m3 | Density, kg/m3 |
|---|---|---|---|---|
| Pall Rings 16 | 16*16*1 | 188 | 112 000 | 141 |
| Pall Rings 25 | 25*25*1,2 | 175 | 53 500 | 82 |
| Pall Rings 38 | 38*38*1,4 | 115 | 15 800 | 54 |
| Pall Rings 50 | 50*50*1,5 | 93 | 6 500 | 56 |
| Pall Rings 76 | 76*76*2,6 | 73,2 | 1 927 | 58 |
| Pall Rings 100 | 100*100*3 | 52,8 | 1 000 | 50 |
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