Butt Seam Spacers and Metal Raschig Rings
Raschig Rings are an inexpensive way of obtaining outstanding performance in oil, gas and chemical process tower packing. They provide maximum possible surface area of contact,high scrubbing capacity.While being structurally strong they are capable of withstading high stresses due to sudden temperature changes.
Alto provides Raschig Rings of different metals like steel, stainless steel, copper, special alloys like Monel, Inconel, Hastelloy etc
Raschig Rings are available in sizes from 1/4" to 3".
Inquire under stock numbers S2 to S100.
| METAL RASCHIG RINGS - DESIGN CHARACTERISTICS | ||||||
| Size - inches | Wall | Approximate | Approximate | Free Space | Packing | |
| (OD & Length) | Thickness | Pcs/CuFt | Wgt/CuFt* | % | Factor | |
| 1/4" (.25) | 0.021 | 88000 | 91.52 | 72 | 700 | |
| 1/4" (.25) | 0.032 | 88000 | 132 | 68 | 707 | |
| 0.2953 | 0.0157 | 53269 | 61 | 91 | 629 | |
| 3/8" (.375) | 0.0156 | 27000 | 51 | 89 | 499 | |
| 3/8" (.375) | 0.032 | 27000 | 95 | 81 | 390 | |
| 1/2" (.50) | 0.032 | 11400 | 75 | 85 | 300 | |
| 1/2" (.50) | 0.062 | 11400 | 136 | 73 | 118 | |
| 5/8" (.625) | 0.062 | 6500 | 129 | 84 | 433 | |
| 3/4" (.750) | 0.032 | 3270 | 52 | 89 | 185 | |
| 3/4" (.750) | 0.062 | 3270 | 94 | 80 | 230 | |
| 1" | 0.032 | 1400 | 39 | 92 | 115 | |
| 1" | 0.062 | 1400 | 71 | 86 | 137 | |
| 1 1/4" | 0.062 | 725 | 62 | 87 | 110 | |
| 1 1/2" | 0.032 | 410 | 25 | ? | ? | |
| 1 1/2" | 0.062 | 410 | 49 | 90 | 83 | |
| 2" | 0.062 | 172 | 37 | 92 | 57 | |
| 3" | 0.062 | 51 | 25 | 95 | 32 | |
| *weights shown are for carbon steel.In percentage of weightsshown: | ||||||
| stainless is 105%, copper is 129%, aluminum is 37%, nickel is 115 % | ||||||
Spacers --- Existing tooling for the following sizes
| Diameter OD | Length OD | Wall Thickness |
| 0.245 | 0.625 | 0.0225-0.031 |
| 0.312 | 0.778 | 0.0425 |
| 0.312 | 0.773 | 0.06 |
| 0.242 | 1.285 | 0.015 |
| 0.375 | 1.5 | 0.062 |
| 0.75 | 0.375 | 0.031 |
| 0.875 | 0.312 | 0.062 |
| 0.875 | 0.438 | 0.062 |
| 0.875 | 0.688 | 0.062 |
| 0.875 | 0.938 | 0.062 |
| 0.9 | 0.625 | 0.0359 |
| 2.25 | 2.05 | 0.0418 |
