Metallic Pall Ring

It is one of the most common and well known packing,Metal Pall Ring is an industry standard design media developed from the Raschig Ring and is used widely in all variety of minimizing the number of contours and crevices that can cause liquid hold-up and potential entrainment,the Metal pall ring geometry enables high gas and liquid transfer rates. The opened cylinder walls and inward bent protrusions of the metal pall ring allow greater capacity and lower pressure drop than standard cylindrical open ring design also maintains an even distribution and resists wall-channeling tendencies.

The interior and exterior contacting surfaces of ring provide for an effective distribution of liquids and gasses and resist plugging, fouling and nesting. Pall rings are available in a wide range of materials.Advantage ﹡Lower pressure drop ﹡Good liquid / gas distribution and higher mass transfer efficiency ﹡Versatility, Easily wettable, High resistance to fouling, High Temperature ﹡High Mechanical Strength, suitable for deeper beds ﹡High temperature resistance

Sizes (mm)	Bulk density (kg/m3)	Number (per m3)	Surface area (m2/m3)	Free volume (%)
16*16*0.3	360	201000	346	95.5
25*25*0.4	302	51000	212	96.2
25*25*0.5	400	51000	216	95
25*25*0.6	461	51000	219	94.2
38*38*0.4	218	15000	143	97.2
38*38*0.5	262	15180	145	96.7
38*38*0.6	328	15000	146	95.9
50*50*0.5	194	6500	106	97.5
50*50*0.7	285	6500	108	96.4
50*50*0.9	365	6500	109	95.4
76*76*0.8	205	1830	69	97.4
90*90*1.0	229	1160	62	97.1

The above data is reference to material stainless steel (AISI304) in the material thickness shown. Other wall thicknesses are available on request. 
Material available: carbon steel, stainless steel including 304, 304L , 410,316, 316L .