Product Name: metal Pall Ring Model NO.: FXM-DB-190727-B1 Source: No Description Effect: Enlarge Liquid & Gas Contacting Area Usage: Chemical Engineering, Chemical Industry Product, Sewage Treatment, Carbon Dioxide and Hydrogen Sulphide Absorbers and Type: Random Packing Structure Feature: Cylindrical Hollow Material: Carbon Steel, Stainless Steel, Monel, Titanium, Al EINECS: 7440-21-3 Formula: Stainless Steel CAS No.: 65997-19-5 Process: Stamp Sample: Free Structurd Feature: Two Rows Window with Ligules Standard: Hg/T 21556.2-95 Size: 13.16.19.25.38.50.76 mm Package: Super Sack, Small Bag, Carton and So on Trademark: FXSINO Transport Package: Super Sack, Small Bag, Carton and So on Specification: 16, 25, 38, 50, 76 mm Origin: China HS Code: 7326909090 Product Description metal Pall ring:It is one of the most common and well-known packing.itis made of a metal thin sheet and have a special structure, there are two row window with ligules towards inside on the ring wall, each row window has five ligules bend to inside of the ring and point to the center, at which the ligules touch each other, the position of up and down window is stagger, usually the area of window is about 30% of the whole ring area. The window on the ring wall let distribution and mass transfer efficiency of liquid and gas inside packing better than Raschig Ring.Refer to HG/T 21556.2-95D×H×δmmSpecific aream2/m3Void rate%Bulk numberPieces/m³Bulk densityKg/m³16×16×0.336294.921400040825×25×0.4219955194040338×38×0.614695.91518032650×50×0.810996650032276×76×17196.11830262