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Heating Surface
The Rome-Tumey Radiator Co.
Rome, N. Y.
Exclusive Manufacturers of
ROME HELICALFIN COPPER RADIATION
High Efficiency Extended Surface Type Blast Heaters, Unit Heaters, Radiators, Condensers, Coolers, Etc.
HELICALFIN Blast Heaters Standard Heaters constructed to meet the
most rigid requirements of engineers and architects--Seamless copper tube construc tion with malleable iron headers. Complete range of sizes and capacities. Unusually sturdy and efficient. Engineering data on request.
HELICALFIN Heating and Cooling Tubes are made of the best grade of seamless copper tubing fitted with a continuous flat copper radiating fin.
They are supplied bent and formed for special installations requiring one-piece con struction.
Rome Helicolfin Heater for Unit Heating Work
We make smalt sizes for refrigeration condensers, oil coolers and similar heat transfer work. %, %, % and 1 in. sizes for unit heaters and blast heating and ventilating systems.
Large sizes for direct radiation, car heaters, bathroom heaters and concealed residential and office heating. Made with ends threaded, ready for installation.
Rome Helicalfin Products are sturdy, non-corrosive, highly efficient and as light in weight as is consistent with necessary strength.
For modern heating equipment in Schools, Factories and Homes,
specify
ROME HELICALFIN RADIATION
Good Radiators Since 1905
670
Heating Surface, Air
Schutte & Koerting Go.
1154 Thompson Street
Philadelphia, Pa.
for air-heating and air-cooling units
S&K Radiafin Tubes have from 7 to 16 times as much surface as plain tubes of the same size and length. This feature insures maximum heating or cooling capacity with minimum quantity of tubing and low initial and operating costs.
RADIAFIN TUBING AND PIPING DATA
Type of Tube or Pipe
Sized Tube
or
Pipe
Width of
-Fins
O.D.of Finned Tube or Pipe
Pitch of Fins
Ratio of Air Con
tact Surface to Water or Steam
Contact Surface
Total
Surface
.Line*a*l*Foot
Weight
t per Lineal Foot
Price Price per Flanges Lineal
Foot
Seamless Drawn Brass
and Copper Tubing with
Copper Fins. Pressures up to 250 lbs.
* 1'
W
wvs
Seamless Drawn Steel
Tubing with Steel Fins. Pressures up to 250 lbs.
F
i
W
3'
I I
&
/.' $
w w
1/7' 1/7' 1/6' 1/5" VS
wvvwvvssss
9.93 to 1 8.70 to 1 9.34 to 1 10.6 to 1 11.6 to 1
16.3 to 1 14.75 to 1 13.72 to 1 13.0 to 1 12.0 to 1 9.17 to 1
1.05 sq. ft. 1.2 8 1.55 ` 2.41 * 3.99 8
0.357 lbs.
0.6 * 0.83 *
1.09 * 2.04 *
2.64
3.22 3.80
4.35 5.52 6.55
*
" 8
* u *
1.2 1.93 2.80 4.4
6.1
10.5
* * 8 8
8
*.
Prices on
Seamless Drawn Brass
and Copper Oval Tubing with Copper Fins.
%'xl*
Pressures up to 250 lbs.
X'el'/z' 1/7'
7.6 to 1
1.33 "
0.75
Appli
l
1.3* 1/6'
11.6 to t
Standard Steel Pipe with
1.59* 1/5'
2.05' VS
10.9 to 1 11.1 tot
Steel Fins. Pressures up to 125 lbs.
1*
ww w2*
%
JF
2.56' 3.16* 3.65* 4.62* 5.12*
13.5 to 1 12.2 to 1 IF' 12.1 to 1
VS . 11.2 to 1. 9.47 to 1
%y 6.0*
4* 3F 7.5'
8.97 to 1 8.6 to f
6* 10.12*
6.7 to 1
1.5 1.78 2.41
3.7 4.4 5.1 6.07
6.12 7.2 9.05 10.64
*
8 *
" * * *
1.03 1.41 1.95 2.9
4.02 5.75 8.2 9.54 13.77 20.89 31.07
8 8 8 8
8 8 8 8 8 8 8
cation
The S&K Radiafin Tubes and Pipes listed above can be furnished with plain or flanged ends and in any lengths up to 15 ft. Sold with or without headers.
671