SS316L 50mm Metal Pall Rings Surface Area HETP Data Sheet Reference

SS316L 50mm Metal Pall Rings Surface Area HETP Data Sheet Reference

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.

Pall rings, have more than 50% higher capacity than raschig ring.

The pressure drop is only half of the raschig ring.

The relative efficiency is about 30% higher than that of raschig ring.

50mm (2 inch) size pall ring specifications:

50mm Pall Rings
Free Space (%)	96
Specific Surface Area (m2/m3) 100
No. Per Unit Volume (m3 )	6,000
Packing Factor (m-1)	107
Specific Weight (kg/m3) 196 – 354 Stainless Steel
Dimensions (mm)	50 x 50
Thickness (mm)	0.5 – 0.9
Normal Material stainless steel 304, 316L

Technical Data of smaller sizes of metal pall rings:

16mm Pall Rings
Free Space (%)	93
Specific Surface Area (m2/m3) 316
No. Per Unit Volume (m3 )	210,000
Packing Factor (m-1)	315
Specific Weight (kg/m3) 400 – 535 Stainless Steel
Dimensions (mm)	16 x 16
Thickness (mm)	0.3 – 0.4
Normal Material stainless steel 304, 316L

25mm Pall Rings
Free Space (%)	94
Specific Surface Area (m2/m3) 209
No. Per Unit Volume (m3 )	49,500
Packing Factor (m-1)	176
Specific Weight (kg/m3) 322 – 644 Stainless Steel
Dimensions (mm)	25 x 25
Thickness (mm)	0.4 – 0.8

38mm Pall Rings
Free Space (%)	95
Specific Surface Area (m2/m3) 122
No. Per Unit Volume (m3 )	13,450
Packing Factor (m-1)	107
Specific Weight (kg/m3) 200 – 400 Stainless Steel
Dimensions (mm)	38 x 38
Thickness (mm)	0.4 – 0.8
Normal Material stainless steel 304, 316L

Easily wettable

High resistance to fouling

High temperature endurable

High temperature applications

HIGH MECHANICAL STRENGTH

High capacity with low pressure drop

Mechanically robust, lesser probability of breakage

Good liquid/gas distribution and high mass transfer efficiency

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