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Plastic pall rings feature a long cylindrical shape, with large windows on the sides and several crossbars, forming a lightweight web of edges that disrupts liquid flow without taking up excessive amounts of column space. Alternatives to Pall Rings include solid-walled Raschig rings, which are typically made from ceramic or metal, and round plastic packing.
Together withsuper saddles, the plastic pall rings have become a standard for many designer and processes. The rings are also used to replacemetal pall ringsin applications which are in need of the excellent corrosion resistance of the plastic material.
Plastic materials for the production of column packing have recently been used in many application fields which formerly were restricted to metals, special alloys and ceramic materials. The application fields of the individual plastic materials are determined by chemical resistance, temperature stability and mechanical strength.
Specifications
Specifications of Plastic Pall Ring Packing | |||||
Model | Specifictions (mm) | Specific area (m2/m3) | Voidage (%) | Number (m3) | Dry Packing Factor (α×β×m) |
Dg16 | 16×16×1.0 | 188 | 91.1 | 214000 | 275 |
Dg25 | 25×25×1.2 | 175 | 90 | 51840 | 239 |
Dg38 | 38×38×1.4 | 155 | 89 | 15180 | 220 |
Dg50 | 50×50×1.5 | 93 | 90 | 6500 | 127 |
Dg76 | 76×76×2.6 | 73.2 | 92 | 1830 | 94 |
Benefits
Good liquid/gas distribution and high mass transfer efficiency
High temperature applications
Mechanically robust, lesser probability of breakage
High resistance to fouling
Multiple materials available
Applications
1. Water treatment
2. Drinking water applications
3. CO2, SO2, HCI and HF absorption or stripping
4. Chlorine absorption in water or caustic
5. Odor control
Plastic pall rings feature a long cylindrical shape, with large windows on the sides and several crossbars, forming a lightweight web of edges that disrupts liquid flow without taking up excessive amounts of column space. Alternatives to Pall Rings include solid-walled Raschig rings, which are typically made from ceramic or metal, and round plastic packing.
Together withsuper saddles, the plastic pall rings have become a standard for many designer and processes. The rings are also used to replacemetal pall ringsin applications which are in need of the excellent corrosion resistance of the plastic material.
Plastic materials for the production of column packing have recently been used in many application fields which formerly were restricted to metals, special alloys and ceramic materials. The application fields of the individual plastic materials are determined by chemical resistance, temperature stability and mechanical strength.
Specifications
Specifications of Plastic Pall Ring Packing | |||||
Model | Specifictions (mm) | Specific area (m2/m3) | Voidage (%) | Number (m3) | Dry Packing Factor (α×β×m) |
Dg16 | 16×16×1.0 | 188 | 91.1 | 214000 | 275 |
Dg25 | 25×25×1.2 | 175 | 90 | 51840 | 239 |
Dg38 | 38×38×1.4 | 155 | 89 | 15180 | 220 |
Dg50 | 50×50×1.5 | 93 | 90 | 6500 | 127 |
Dg76 | 76×76×2.6 | 73.2 | 92 | 1830 | 94 |
Benefits
Good liquid/gas distribution and high mass transfer efficiency
High temperature applications
Mechanically robust, lesser probability of breakage
High resistance to fouling
Multiple materials available
Applications
1. Water treatment
2. Drinking water applications
3. CO2, SO2, HCI and HF absorption or stripping
4. Chlorine absorption in water or caustic
5. Odor control
