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RING-C (Cascade Ring)

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RING-C Cascade Rings:

The packing is designed to increase capacity, efficiency and mechanical strength in comparison to Pall rings.

RING -C

Metal RING-C

Direct replacement of the widely used cascade mini ring.

  • First commercially successful third-generation random packing replacing the widely used pall ring.
  • Low aspect ratio(element hgight: element diameter is 1:3)favors a packing orientation that results in higher capacity,lower pressure drop and better fouling resistance.
  • The arrangement of tabs provides more drip points per element offering better liquid distribution and higher efficiency.

SIZE: 0#,1#,1.5#,2#,2.5#,3#,4#,5#
HG/T21557.2-95
SIZE: DN16,DN25,DN38,DN50,DN76

Metal cascade mini ring is made of materials like carbon steel, stainless steel or Aluminum alloy, etc. The product has features such as thin wall, heat resistant, high free volume, high capacity, low resistance, high separation efficiency and so on. It is especially suitable for rectification towers under vacuum to treat thermosensitive, decomposable, polymerizable or cokable systems, so it is widely used in packing towers in petrochemical industry, chemical fertilizer industry and environmental protection, etc.

    Technical Parameter
  • Model Cascade Mini Ring
  • Material Carbon Steel; SS 304,304L,410,316,316L,etc.
  • Size 0P 1P 1.5P 2P 2.5P 3P 4P
  • Thickness (mm) 0.25 0.3 0.35 0.35 0.4 0.4 0.4
  • Dimension mm 17×6 25×8 34×11 43×14 51×17 66×21 86×28
  • Number per m3 530000 150000 61000 33000 15700 10140 4310
  • Bulk density kg/m3 347 247 208 203 159 165 120
  • Surface area m2/m3 420 238 164 160 105 108 78
  • Free volume % 96 96.9 97.4 97.5 98 97.9 98.5
  • Typical Application Absorption, scrubbing, and stripping services
    Advantage
  • A versatile packing used in distillation, absorption and other operations.
  • Used in both deep vacuum and high pressure towers.
  • Metal saddle is high performance random packing successfully used in mass transfer towers both small and large diameter. It is frequently used in deep vacuum towers where low pressure drop is crucial and also high pressure towers where capacity significantly exceeds conventional trays.
Type Nominal Size Specific Surface Void Factor
mm inch m²/m³ ft²/ft³ %
1 25 1 246 75,0 97
1,5 38 1-1/2 187 57,0 97
2 44 1-3/4 147 44.8 98
2.5 50 2 128 39.0 98
3 63 2-1/2 102 31.1 98
4 90 3-1/2 70 21.4 98
5 125 5 55 16.8 99

Ring-С

Ceramic Ring-С

Ceramic Cascade Mini Ring with excellent acid resistance and heat resistance. They can resist to corrosion of various inorganic acids, organic acids and organic solvents except hydrofluoric acid, and can be used in high or low temperature conditions. Consequently their application ranges are very wide. Ceramic Cascade Mini Ring can be used in the drying columns, absorbing columns, cooling towers, scrubbing towers in chemical industry, metallurgy industry, coal gas industry, oxygen producing industry, etc.

Type

Size, mm

Bulk density,

kg/m3

Quantity

pcs/m3

25 25×15×3 650 72,000
38 38×23×4 630 21,600
50 50×30×5 580 9,100
76 76×46×9 530 2,500

RING-С

Plastic RING-С

Plastic Cascade Mini Ring is made from heat resistant and chemical corrosion resistant plastics, including polyethylene (PE), polypropylene (PP), reinforced polypropylene (RPP), polyvinyl chloride (PVC), chloridized polyvinyl chloride (CPVC) and polyvinylidene fluoride (PVDF). It was developed by British Company MTL Ltd, which also called CMR. It has not only change traditonal equal length and diameter, but also cone-shaped flanging at one edge. This special structure has shorten distance which gas passing through wall's out surface, but also reduced the resistance when air passing through bed layer and increased voidage.

Type Nominal Size Specific Surface Void Factor
mm inch m²/m³ ft²/ft³ %
1.0 25 1 228 69.6 90
1.5 38 1-1/2 133 40.6 91
2.0 50 2 114 34.8 93
3.0 76 3 90 27.5 93
4.0 100 4 65 19.8 94

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