Packed Tower Mass Transfer Media 3 inch Carbon Steel Metal Pall Rings
1. Metal Pall Ring Basic Introduction:
Pall ring is a new type of filler improved on Raschig ring. Compared with the later, pall ring has improved the liquid distribution of filler layer greatly, with open windows on ring sidewall. Therefore it has productivity, low resistance, operating flexible and higher efficiency. Pall ring is widely applied to industry. It is still one of major annular fillers that has been adopted.
2. Metal Pall Ring Data Sheet:
Diameter×Wall Thickness
(mm) | Packing Number Pc / m-3 | Void Fraction
(m3/m3) | Specific Surface Area
(m2/m3) | Packing Density
(kg/m3) | Dry packing Factor
F |
| 16×0.3 | 214000 | 0.949 | 362 | 396 | 423 |
| 25×0.5 | 51940 | 0.950 | 219 | 393 | 255 |
| 38×0.6 | 15180 | 0.959 | 146 | 318 | 165 |
| 50×0.8 | 6500 | 0.960 | 109 | 314 | 124 |
| 76×1.2 | 1830 | 0.961 | 71 | 308 | 80 |
3. Metal Pall Rings Advantage:
Metal Pall Ring is packaged and shipped by volume. A volume adjustment factor must be applied to the calculated column. Geometric volume to estimate the shipping volume required to properly fill a packed bed to account for edge and settling effects. The volume adjustment factor depends upon the packing shape and size and the bed diameter.
A contingency allowance for installation losses, typically around 5%, should be added to the shipping volume calculated above.
Strict conformity with recommended installation procedure is necessary to ensure consistent duplication of design performance. Installation techniques that result in installation crew walking on or raking the packing must never be employed. Incorrect installation procedures can result in substantial packing shortfall (i.e. installed volume not sufficient for the required bed height resulting in performance losses).
4. Metal Pall Rings Sales Case:
I have a korean customer named Mr. J. He works as a chemical engineer in a corporation laboratory. Last time he contacted me to see if we could provide 16mm pall rings in SS316, with certificates for the material. Also he need the column random packing in a hurry. Surely no problem! We have stock of such packing for immediate delivery. It is convenient to send the pall rings by SF-express to Republic of Korea, especially when the customers have a SF account.
This page is about standard specifications of pall rings, 16mm, 25mm, 38mm, 50mm, 76mm in diameter and hieght. Here also introduced the structure size, manufacturing, inspecting, packaging and shipping.
The working temperature of SS pall rings is recommended to be under 400 centigrade.
The pall rings are in cylinder shape, with equal height and diameter, and some windows on the side.
5. Metal Pall Ring Production & Shipment
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Carbon Steel 3 Inch Metal Pall Ring Packed Tower Mass Transfer Media Images
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