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Btu/(h·ft²·℉)

Water
Temperature of heating medium ........... Temperature of water ......................... Water velocity, ft./sec ........................	Up to 240.		240° -400.
	125. or less		Above 125.
	≤3	3	≤3	3
Distilled ........................................... Sea water ........................................ Treated boiler feed water ................... Treated makeup for cooling tower ....... City, well, Great Lakes ...................... Brackish, clean river water ................ River water, muddy, silty ................... Hard(over 15 g./gal.) ........................ Chicago Sanitary Canal ....................	2000 2000 1000 1000 1000 500 330 330 125	2000 2000 2000 1000 1000 1000 500 330 170	2000 1000 1000 500 500 330 250 200 100	2000 1000 1000 500 500 500 330 200 125
Chemicals
Inorganic: Gases(Oil-bearing or dirty)...........................................500 Liquids(heating or vaporization)....................................500 Refrigerant brines.......................................................1000 Organic: Gases Process....................................................................1000 Utility(Oil-bearing, refrigerant, etc.)................................500 Condensing vapors(condensers).................................1000 Liquids Vaproizing Liquids(reboilers)........................................500 Heat-transfer media....................................................1000 Refrigerant Liquids.....................................................1000 polymer-forming liquids................................................200 Oils(vegetable and heavy gas Oil).................................330 Asphalt and residuum..................................................100

*Rearranged and reproduced, by permission, from standards of Tubular

Exchanger Manufacturers Association, 5th ed., New York, 1968.

NOTE:℃=(℉-32)/1.8; to convert feed per second to meters per second, multiply by 0.3048;

to convert British thermal units per hour-square foot-degrees Fahrenheit to joules per square

meter-second-kelvins, multiply by 5.6783.

U=Btu/(℉·ft²·h)

Shell side	Tube side	Design U	Includes total dirt
Liquid-liquid media
Aroclor 1248 Cutback asphalt Demineralized water Ethanol amine(MEA or DEA)10-25% solutions Fuel oil Fuel oil Gasoline heavy oils Heavy oils Hydrgen-rich reformer stream Kerosene or gas oil Kerosene or gas oil Kerosene or jet fuels Jacket water Lube oil (low viscosity) Lube oil (high viscosity) Lube oil Naphtha Naphtha Organic solvents Organic solvents Organic solvents Tall oil derivatives,veg- etable oil, etc. Water Water Wax distillate Wax distillate	Jet fuels Water Water Water or DEA, or MEA solutions Water Oil Water Heavy oils Water Hydrogen-rich &nbspreformer stream Water Oil Trichlorethylene Water Water Water Oil Water Oil Water Brine Organic solvents Water Causstic soda solutions (10-30%) Water Water Oil	100-150 10-20 300-500 140-200 15-25 10-15 60-100 10-40 15-50 90-120 25-50 20-35 40-50 230-300 25-50 40-80 11-20 50-70 25-35 50-150 35-90 20-60 20-50 100-250 200-250 15-25 13-23	0.0015 .01 .001 .003 .007 .008 .003 .004 .005 .002 .005 .005 .0015 .002 .002 .003 .006 .005 .005 .003 .003 .002 .004 .003 .003 .005 .005
Condensing vapor-liquid media
Alcohol vapor Asphalt(450℉) Dowtherm vapor	Water Dowtherm vapor Tall oil and derivatives	100-200 40-60 60-80	.002 .006 .004

Shell side	Tube sid	Design U	Includes total dirt
Dowtherm vapor Gas-plant tar High-boiling hydro- carbons V Low-boiling hydrocar- bons A Hydrocarbon vapors (partial condenser) Organic solvents A Organic solvents high NC, A Organic solvents low NC, V Kerosene Kerosene Naphtha Naphtha Stabilizer reflux vapors Steam Steam Steam Sulfur dioxide Tal-oil derivatives, ve- getable oils(vapor) Water	Dowtherm liquid Steam Water Water Oil Water Water or brine Water or brine Water Oil Water Oil Water Feed water No.6 fuel Oil No.2 fuel Oil Water Water Aromatic vapor stream azeotrope	80-120 40-50 20-50 80-200 25-40 100-200 20-60 50-120 30-65 20-30 50-75 20-30 80-120 400,1000 15-25 60-90 150-200 20-50 40-80	.0015 .0055 .003 .003 .004 .003 .003 .003 .004 .005 .005 .005 .003 .0005 .0055 .0025 .003 .004 .005
Gas-liquid media
Air,N₂,etc.(compressed) Air,N₂,etc.,A Water or brine Water or brine water	Water or brine Water or brine Air,N₂(compressed) Air,N₂, etc, A Hydrogen cont- aining natural- gas mixtures	40-80 10-50 20-40 5-20 80-125	.005 .005 .005 .005 .003
Vaporizersv
Anhydrous ammonia Chlorine Chlorine Propane, butane,etc. Water	Steam condens- Steam condens- Light heat-tran- sfer oil Steam condens- Steam condens-	150-300 150-300 40-60 200-300 250-400	.0015 .0015 .0015 .0015 .0015

NC=noncondensable gas present.
V=vacuum.
A=atmospheric pressure.
Dirt(or fouling factor)units are(h·ft2·)Btu.
To convert British thermal units per hour-square foot-degrees Fashrenheit to joules per square meter-second-kelvins, multiply by 5.6783;to convert hours per square foot-degree Fahrenheit- British thermal units to square meters per second-kelvin-joules, multiply by 0.1761.

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