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Pingxiang Daier Separation TechSep 3, 202616 min read

Metal Nutter Ring Size Selection: 18 vs 25 vs 38 vs 50 vs 65 vs 76 mm

Metal Nutter Ring is available in DAIER's catalog-confirmed 18–76 mm series, with specific surface area decreasing from approximately 230 to 59.6 m²/m³ and dry packing factor decreasing from 244.7 to 61.9 m⁻¹. Final size selection should balance mass-transfer demand, hydraulic capacity, fouling, tower diameter, alloy selection and support-grid compatibility while using the actual supplier-specific free-volume and bulk-density data.
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Pingxiang Daier Separation TechSep 3, 202616 min read

Metal Intalox Saddle Size Selection: 15 vs 25 vs 40 vs 50 vs 60 vs 70 mm

Metal Intalox Saddle / IMTP is available in DAIER's catalog-confirmed 15–70 mm series, with surface area decreasing from approximately 275 to 61 m²/m³ while free volume rises to about 98.7% and dry packing factor falls from 304.9 to 63.5 m⁻¹. Final size selection should balance mass-transfer demand, hydraulic capacity, fouling, tower diameter, metal grade and retrofit compatibility.
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Pingxiang Daier Separation TechSep 3, 202618 min read

Metal Raschig Ring Size Selection: How to Choose from 6 to 89 mm

Metal Raschig Ring is available in DAIER's catalog-confirmed 6–89 mm series, with specific surface area decreasing from approximately 904 to 61 m²/m³ and dry packing factor decreasing from about 1,307 to 66 m⁻¹. Although larger sizes generally create a coarser and more hydraulically open bed, void fraction and bulk density are not perfectly monotonic, so final selection should consider mass-transfer duty, hydraulics, fouling, tower diameter, alloy and support-grid compatibility.
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Pingxiang Daier Separation TechSep 3, 202617 min read

Ceramic Raschig Ring Size Selection: How to Choose from 6 to 100 mm

Ceramic Raschig Ring is available in DAIER's verified catalog from approximately 6 to 100 mm. Although smaller sizes generally provide greater surface-area density and larger sizes create a coarser bed, void fraction, bulk density and packing factor are not perfectly monotonic, making supplier-specific data essential for hydraulic, fouling, tower-diameter and retrofit decisions.
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Pingxiang Daier Separation TechSep 3, 202618 min read

Ceramic Intalox Saddle 13 vs 19 vs 25 vs 38 vs 50 vs 76 mm: How Size Changes Surface Area, Voidage and Packing Factor

Ceramic Intalox Saddle is available in DAIER's catalog-confirmed standard series from 13 to 76 mm, with specific surface area decreasing from approximately 650 to 95 m²/m³ and dry packing factor decreasing from 420 to 127 m⁻¹. Final size selection should consider surface area, non-monotonic void fraction, bed weight, hydraulic requirements, fouling, tower diameter and support-grid compatibility, while keeping standard Intalox Saddle separate from Ceramic Super Intalox Saddle.
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