Metal Raschig Ring Packing Data

O.D. Size
Inches (mm)
Wall Thickness
(Inches)
Approx. Number1
(Pcs./Cu. Ft.)
Approx. Weight2
(Lbs./Cu. Ft.)
Surface Area
(Sq. Ft./Cu. Ft.)
Free Space
%
Packing Factor
(F)
.250 (6).03288,00013322472700
.295 (7.5).01554,0006220591630
.312 (8).03245,00012019075505
.375 (10).03227,0009416181390
.500 (13).03211,4007512285300
.625 (16).0326,1906210387170
.750 (19).0323,340528189185
.750 (19).0623,140947580230
1.00 (25).0321,430396292115
1.00 (25).0621,310715686137
1.25 (32).062725624887110
1.50 (38).06240049399083
2.00 (51).06216837299257
3.00 (76).0625125209532

1 cu. Ft. = .0283 cu. meters

2 Weights shown are for carbon steel. In percentage of weights shown, stainless weighs 105%, copper 120%, aluminum 37%, Monel and nickel 115%.

Additional sizes and wall thicknesses available upon request