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7256
SINGLE METAL TITANIUM FINNED PIPE

Product Detail 
Abstract:
Fin tube provides 3 times the external surface area of bare tube.
Integral low fin tubing yields numerous benefits for shell and tube heat exchangers including reduced size and cost for new equipment, increased performance of existing equipment. The cost of shell and tube heat exchangers can be reduced up to 50% through the proper application of low fin tubing.
materials : Titanium ,Stainless Steel , copper ,copper-nickel
Application:
The Integral low fin tubes are widely used in chemicalprocess. Especially applicable between air or other gases on the fin-side and a fluid on the tube-side.
When to Consider Integral low fin tube.
Shell side heat transfer is controlling.
Expensive materials of construction are required.
Debottlenecking an existing exchanger.
Retrofitting or upgrading with new tube material.
Meeting a stringent space or weight requirement.
 
FIN TUBE MEETS THE FOLLOWING QUALITY STANDARDS
ASTM B891 Seamless and Welded Titanium and Titanium Alloy Condenser and Heat Exchanger Tubes With Integral Fins
ASTM A1012 Seamless and Welded Ferritic, Austenitic and Duplex Alloy Steel Condenser and Heat Exchanger Tubes with Integral Fins
ASTM B924 Seamless and Welded Nickel Alloy Condenser and Heat Exchanger Tubes with Integral Fins
ASTM B359 Copper and Copper Alloy Seamless Condenser and Heat Exchanger Tubes with Integral Fins.
General Dimensions – Low Fin Tube Smooth Bore
28 FPI 0.889mm average fin height 0.305mm average fin thickness
No. Plain Section   avg. OD Plain section avg. wall Wall Under fin avg Wall Under Fin Min. Nominal Root OD Fin Section
ID
Outside Area Ao Inside Area
Ai
Area Ratio Ao/Ai ID cross Section Area
153528 15.88 1.473 0.889 0.787 14.097 12.319 0.126 0.039 3.252 1.192
154228 15.88 1.651 1.067 0.940 14.097 11.963 0.126 0.037 3.358 1.124
192828 19.05 1.245 0.711 0.635 17.272 15.85- 0.153 0.050 3.074 1.973
193528 19.05 1.473 0.889 0.787 17.272 15.494 0.153 0.049 3.131 0.292
194228 19.05 1.651 1.067 0.940 17.272 15.138 0.153 0.048 3.212 1.800
253528 25.40 1.473 0.889 0.787 24.622 21.844 0.206 0.069 3.004 3.748
253528 25.40 1.651 1.067 0.940 24.622 21.488 0.206 0.067 3.059 3.627
 
30 FPI 0.813mm average fin height 0.279mm average fin thickness
No. Plain Section   avg. OD Plain section avg. wall Wall Under Fin avg. Wall Under Fin Min. Nominal Root OD Fin Section
ID
Outside Area Ao Inside Area
Ai
Area Ratio Ao/Ai ID cross Section Area
153530 15.88 1.473 0.889 0.787 14.249 12.471 0.125 0.039 3.186 1.222
154230 15.88 1.651 1.067 0.940 14.249 12.116 0.125 0.038 3.288 1.153
192830 19.05 1.245 0.711 0.635 17.424 16.002 0.152 0.050 3.030 2.011
193530 19.05 1.473 0.889 0.787 17.424 15.646 0.152 0.049 3.106 1.923
194230 19.05 1.651 1.067 0.940 17.424 15.291 0.152 0.048 3.165 1.836
253530 25.40 1.473 0.889 0.787 23.774 21.996 0.205 0.069 2.956 3.800
253530 25.40 1.651 1.067 0.940 23.774 21.641 0.205 0.068 3.009 3.678
 
36 FPI 0.66mm average fin height 0.305mm average fin thickness
No. Plain Section   avg. OD Plain section avg. wall Wall Under Fin avg. Wall Under Fin Min. Nominal Root OD Fin Section
ID
Outside Area Ao Inside Area
Ai
Area Ratio Ao/Ai ID cross Section Area
153536 15.88 1.473 0.889 0.787 14.554 12.776 0.125 0.040 3.114 1.282
154236 15.88 1.651 1.067 0.940 14.554 12.421 0.125 0.039 3.211 1.212
192836 19.05 1.245 0.711 0.635 17.729 16.307 0.152 0.051 2.976 2.088
193536 19.05 1.473 0.889 0.787 17.729 15.951 0.152 0.050 3.049 1.998
194236 19.05 1.651 1.067 0.940 17.729 15.596 0.152 0.049 3.106 1.910
253536 25.40 1.473 0.889 0.787 24.079 22.301 0.205 0.070 2.917 3.906
253536 25.40 1.651 1.067 0.940 24.079 21.946 0.205 0.069 2.969 3.783
General Dimensions – Low Fin Tube with Internal Rib
28 FPI 0.89 average fin height 0.305mm average fin thickness 0.254 average rib height
No. Plain Section   avg. OD Plain section avg. wall Wall Under Fin avg. Wall Under Fin Min. Nominal Root OD Fin Section
ID
Outside Area Ao Inside Area
AI
Area Ratio Ao/Ai ID cross Section Area
192828-201046 19.05 1.245 0.711 0.635 17.272 15.850 0.153 0.059 2.569 1.961
193528-201046 19.05 1.473 0.889 0.787 17.272 15.494 0.153 0.058 2.623 1.871
 
36 FPI 0.66 average fin height 0.305mm average fin thickness 0.254 average rib height
No. Plain Section   avg. OD Plain section wall Wall Under Fin avg. Wall Under Fin Min. Nominal Root OD Fin Section
ID
Outside Area Ao Inside Area
AI
Area Ratio Ao/Ai ID cross Section Area
192536-201046 19.05 1.245avg. 0.635 0.559 17.729 16.459 0.152 0.062 2.463 2.116
192836-201046 19.05 1.245 min 0.711 0.635 17.729 16.307 0.152 0.061 2.488 2.007
 
A$C217C6F1B Model (1).jpg d= outside diameter of plain end
di= inside diameter of plain end
dr= root diameter
do=diameter over fins
di= inside diameter of fin section
Xp=wall thickness of plain end
Xf=wall thickness under fin
Fh=height of fin
Fm=fin thickness
P=rib pitch
Rh=height of rib
Ha=helix angle
 

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