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Product Details:
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| Product Name: | Metal Pall Ring | Material: | SS316L 304 316 Or Others |
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| Equal Inch Type: | 3 Inch | Wall Thickness: | 0.8mm |
| Diameter: | 76mm | Height: | 76mm |
| Moudel Number: | HL20211012-06 | Usage: | Widely Applied To Industry |
| Data Sheet: | Available | Warranty: | Lifetime Consultation |
| High Light: | 76mm pall ring media,3 inch packing pall ring,3 inch pall ring media |
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1. The metal pall ring random packing was developed by BASF company in 1940s on the basis of raschig ring.
2. It is made of sheet metal by punching and rolling. Two rows of window holes with tongue leaves extending inside are opened on the ring wall. Each row of window has five tongue leaves bending into the ring, pointing to the ring center, almost connecting at the center, and the upper and lower layers of window holes are staggered with each other.
3. Generally, the total area of the opening is about 35% of the whole ring area. As a result of opening windows on the ring wall, the distribution of gas and liquid in the packing bed and the mass transfer performance are greatly improved compared with that in the raschig ring. People have made plenty of study of its performance, so pall ring is still one of the main random packing used at present.
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Size Dia.*Height (mm) |
Thickness mm |
Pack No. (m3) |
Pack Density (kg/m3) |
Specific Area (m2/m3) |
Void Volume % |
Dry Packing Factor |
| 16*16 | 0.3 | 214000 | 396 | 362 | 94.9 | 423 |
| 25*25 | 0.5 | 51940 | 393 | 219 | 95.0 | 255 |
| 38*38 | 0.6 | 15180 | 318 | 146 | 95.9 | 165 |
| 50*50 | 0.8 | 6500 | 314 | 109 | 96.0 | 124 |
| 76*76 | 1.2 | 1830 | 308 | 71 | 96.1 | 80 |
Application
Isolation , separation, absorption, desorption and pressure reducing device.
High efficiency
Easily Wettable
Good Liquid and Gas Distribution
Excellent stain resistance.
Hualai pall rings are available in several sizes as indicated on our design sheets to suit most commercial applications. They range in size from 10mm to 76mm or equivalent. It is an essentially a design consideration in specifying a packing size based on capacity and efficiency requirements. The nominal packing size specified should however not be greater than 1/10th of the column diameter.
The packing is usually specified in the lowest cost material of manufacture that will satisfy temperature and corrosion requirements. Some of the most common materials listed in order of relative cost are:
Polypropylene (mainly aqueous systems up to 100 deg. C)
Carbon steel (non-corrosive hydrocarbon systems)
Ceramic (sulphuric acid & nitric acid absorbers)
Stainless steels (most hydrocarbon systems)
PVDF, PFA (corrosive aqueous systems up to 150 deg. C)
PVC / C-PVC (corrosive aqueous systems up to 90 deg. C)
Packing and Shipment
Plastic bag, Jumbo Bag, Wooden Case, Carton Box, On Pallet With PP Film Wrapped
Tel: 15112670997
