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| Ladder
Ring |
| Ladder
Rings have cylindrical surface and linear internal braces, which provides low
height to diameter or aspect ratio compared to standard cylindrical ring type
packing. The low aspect ratio design ensures even liquid flow, which leads to
substantially better gas and liquid contact. Its shape allows higher bed heights
with little deformation and low-pressure drop across the bed. Ladder Rings are
been used in a wide variety of distillation, absorption and stripping columns
around the world. | |
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Materials: PP, PE, PVC, CPVC, PVDF (Kynar), PFA (Teflon)
| Nominal
Size (in) | 5/8 | 1 | 1½ | 2 | 3½ |
| Void
Fraction (%) | 85 | 90 | 91 | 93 | 93 |
| Geometric
Surface Area (ft2/ft3) | 113 | 70 | 40 | 35 | 27 |
| Weight
– polypropylene (lbs/ft3) | 8.5 | 4.1 | 3.4 | 3.1 | 3.0 |
| Packing
Factor (1/ft) | 40 | 24 | 15 | 12 | 9
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