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China High Porosity Ceramic Foam Filter (Alumina / SiC / Zirconia) 10-60 PPI for Foundry Molten Metal Filtration
View DetailsA comprehensive analysis of hydraulic performance, liquid distribution dynamics, and mechanical structural integrity.
The **Metal Pall Ring** represents a pivotal leap forward in random packing technology. By modifying the classical closed-wall Raschig ring into an open-wall design featuring inward-bent stamped tongues (lugs), the Pall Ring opens up the internal volume of the cylinder. This structural modification provides two key hydraulic enhancements:
Mass transfer columns operating in refinery fractionation, sour gas scrubbing, or ethylene production require wide operating margins. Metal Pall Rings exhibit a high turndown ratio due to their low resistance to gas passage. Key advantages include:
Standard engineering specifications for industrial-grade Metal Pall Rings manufactured in our Pingxiang facility.
| Nominal Size (mm / inch) | Dimensions D×H×T (mm) | Specific Surface Area (m²/m³) | Void Fraction (%) | Packing Factor (m⁻¹) | Bulk Density (kg/m³ - SS304) |
|---|---|---|---|---|---|
| 16 mm (5/8") | 16 × 16 × 0.4 | 345 | 93.1 | 312 | 540 |
| 25 mm (1") | 25 × 25 × 0.6 | 228 | 94.8 | 186 | 390 |
| 38 mm (1.5") | 38 × 38 × 0.8 | 142 | 96.2 | 115 | 290 |
| 50 mm (2") | 50 × 50 × 1.0 | 110 | 96.9 | 84 | 240 |
| 76 mm (3") | 76 × 76 × 1.2 | 74 | 97.8 | 52 | 180 |
Standard choice for organic acid distillation, light hydrocarbon fractionation, and general chemical absorption towers where cost-efficiency and mild corrosion resistance are required.
Contains 2-3% molybdenum providing high resistance to pitting corrosion in halide-containing environments, fatty acid processing, and amine gas sweetening units.
Engineered for extreme services: Titanium Grade 2 for wet chlorine gas, Monel 400 for hydrofluoric acid service, and Duplex 2205 for high-stress chloride environments.
Strategic manufacturing capabilities located in Pingxiang—China's global chemical packing industrial hub.
Direct integration with top-tier Chinese stainless steel mills ensures batch-to-batch chemical composition compliance. Mill Test Certificates (EN 10204 3.1) are supplied for every coil lot before stamping.
Utilizing high-precision multi-stage progressive dies, our automated production lines maintain dimensional tolerances within ±0.1mm, eliminating structural burrs that impede uniform fluid distribution.
Every batch undergoes crush testing, wall thickness verification, and degreasing protocols to prevent hydrocarbons from fouling high-purity air separation or vacuum columns.
Fulfilling the complex procurement requirements of international EPC contractors, plant operators, and chemical engineers worldwide.
Procuring chemical mass transfer media requires absolute traceability and regulatory conformance. Our factories operate under certified ISO 9001:2015 Quality Management Systems and ISO 14001:2015 Environmental Systems. Products comply with international industry standards including:
To prevent mechanical deformation during transoceanic transit, our packaging methodology is engineered for rugged port handling and long-term site storage:
How advanced random packing designs drive carbon capture, energy efficiency, and low-carbon chemical refining.
Next-generation amine absorption columns for flue gas CO2 capture demand exceptionally low pressure drops to avoid backpressure on power plant boilers. Thin-wall metal Pall rings and modified VSP rings maximize CO2 absorption kinetics while lowering solvent regeneration energy requirements.
Existing refineries are increasingly replacing standard Raschig rings or first-generation trays with high-efficiency Metal Pall Rings or Conjugated Rings. This revamp strategy expands plant throughput by up to 30% without requiring capital expenditure for new pressure vessel shells.
Modern mass transfer design relies on Computational Fluid Dynamics (CFD) modeling to predict multi-phase hydrodynamics inside packed beds. Our technical engineering team collaborates with client EPCs to model packing factors, liquid holdup, and flooding thresholds accurately.
Specific operational duty profiles where Metal Pall Ring random packing excels in industrial field operations.
In atmospheric crude distillation units (CDU), vacuum towers, and main fractionators, metal Pall rings provide high mechanical strength capable of withstanding severe thermal shock and pressure surges. Their open structure handles high liquid loads without initiating hydraulic jet flooding, ensuring precise cut points for naphtha, kerosene, and diesel fractions.
Removing H2S and CO2 from natural gas or refinery off-gases requires continuous gas-liquid contact. Stainless steel 316L Pall rings are the industry standard across amine contactors, providing low foaming tendencies, high surface renewal, and chemical resistance to corrosive wet hydrogen sulfide.
Ethylene cracker water and oil quench towers handle high gas volumes laden with heavy hydrocarbon polymers. The non-nesting open design of metal Pall rings prevents particulate fouling and liquid hold-up, reducing maintenance shutdown frequencies and simplifying clean-in-place (CIP) operations.
In oxygen and nitrogen rectification columns, ultra-clean, degreased stainless steel packing is vital. Metal Pall rings, subjected to stringent solvent degreasing, deliver low HETP (Height Equivalent to a Theoretical Plate), enabling compact tower designs for industrial gas producers.
Direct technical answers to common procurement, sizing, and installation queries.
Explore our complete product portfolio covering structured packings, catalyst support media, and biological treatment rings.
Wholesale Stainless Steel Metal Conjugate Ring 25mm 38mm 50mm High Efficiency Tower Packing
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