AYRTTER Metal Cascade Ring (CMR) – High-Efficiency Random Packing
Optimized Height/Diameter Ratio, Low Pressure Drop, High Capacity, High Mass Transfer Efficiency | Suitable for Fine Chemicals, Environmental Protection, Pharmaceutical Industries
🔬 General Characteristics & Core Advantages

AYRTTER Metal Cascade Ring (CMR)
AYRTTER Metal Cascade Rings (CMR) are high-performance random packings engineered for superior distillation and absorption. Featuring an optimized low height-to-diameter ratio, tapered flange, wall openings, and internal fins, they promote efficient point-contact stacking. This unique design ensures excellent gas-liquid distribution, minimizes pressure drop, maximizes capacity, and delivers outstanding mass transfer efficiency. Available in stainless steel, carbon steel, and titanium for temperatures from -200°C to 600°C, AYRTTTER CMR is the ideal solution for demanding applications in fine chemicals, gas treatment, and pharmaceutical processing.
is a revolutionary high-efficiency random packing, designed to optimize fluid dynamics in columns.
- Structural Design: Tapered flange at one end, wall openings, internal extensions, Height/Diameter ratio≈1:2 (H/D≈0.5)
- Packing Characteristics: Point-contact stacking, significantly improves gas-liquid distribution, reduces wall flow/channeling
- Core Effects: Reduces pressure drop, increases capacity and mass transfer efficiency
🏆 Six Core Advantages
High Capacity
High Mass Transfer Efficiency
Good Fouling Resistance
Wide Operating Range
Long Service Life
⚙️ Materials & Operating Conditions
- Common Materials: 304/304L, 316/316L Stainless Steel, Carbon Steel, Titanium, Monel, etc.
- Temperature Range: -200℃ ~ 600℃
- Suitable Media: Acids, Alkalis, Organic Solvents, Various Corrosive Chemicals
📏 1A (DN25) Model Specifications
Smallest Size | Largest Surface Area | Highest Mass Transfer Efficiency Suitable for small column diameters, high separation requirements, and low load conditions.
| Parameter | Value |
|---|---|
| Model | 1A (DN25) |
| Dimensions (OD×H×Thickness) | φ25 × 12.5 × 0.6 mm |
| Specific Surface Area | ≈ 220 m2/m3 |
| Void Fraction | ≈ 96% |
| Number per m3 | ≈ 115,000 pcs/m3 |
| Bulk Density (304 SS) | ≈ 360 kg/m3 |
| Dry Packing Factor (Estimated) | ≈ 52 m-1 |
🎯 Typical Applications
- Fine Chemicals: High-purity solvents, flavors & fragrances, intermediate purification
- Environmental Engineering: Tail gas absorption (HCl, NOx), CO2 capture, flue gas desulfurization
- Pharmaceutical Industry: Active pharmaceutical ingredient purification, solvent recovery
- R&D & Pilot Plants: Laboratory columns, process scale-up studies
🧮 Packing Sizing Calculator
Estimate the required packing volume, quantity, and weight based on your column dimensions.
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📊 Performance Comparison (Schematic)
Note: The following is a qualitative comparison showing the relative advantages of Metal Cascade Ring (CMR).
| Performance Metric | Metal Cascade Ring (CMR) | Pall Ring | Raschig Ring |
|---|---|---|---|
| Mass Transfer Efficiency | High | Medium-High | Low |
| Pressure Drop | Low | Medium-Low | High |
| Capacity | High | Medium-High | Low |
| Fouling Resistance | Good | Medium | Poor |
| Operating Flexibility | Wide | Medium | Narrow |


