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Finned Tubular Heaters, Finned Tubular Elements

Finned Tubular Heaters-With and Without Fittings
Finned Tubular Heaters with Copper, Stainless Steel and Incoloy Sheaths
 

PRODUCT DESCRIPTION GUIDE:

Finned Tubular Heaters are normally used in forced circulation heating of low temperature air, other atmospheres and gases. Suitable for use in a wide variety of forced air heating applications, industrial ovens and food service applications. Steel finned heaters are standard with surface temperatures limited to about 425ºC (797ºF) compared to 815ºC (1500ºF) for an alloy sheathed non-finned heater.

Some applications require stainless steel materials for corrosion resistance. The most efficient finned heaters are made with steel sheath and steel fins. Steel is normally used for air heating, stainless steel for atmospheres which are humid or corrosive and monel for salt-laden humid atmospheres. Keep in mind that stainless heaters with stainless fins are very inefficient since the heat transfer rate of stainless is less than one quarter that for steel.

Finned Tubular Heaters offer distinct advantages over open coil heaters: (a) they are safer to operate in that the risk of fire or electrical shock are minimized; (b) they have a much longer service life; and (c) they are more rugged requiring less maintenance than open coil heaters.

We offer a standard carbon steel construction and a high temperature/ corrosion resistant stainless steel construction. As with regular tubular elements, they can be bent to a number of shapes and are available with fittings and mounting brackets as required.
 
 Flanged Immersion Heaters Specifications Finned Tubular Heater Specifications.pdf
 How to Extend the Life of Your Immersion Heater-2 Tubular Bend Formations-New-Final.pdf
 Flanged Immersion Heaters Wiring Diagrams
 Flanged Immersion Heaters Wiring Diagrams      Finned Tubular Heaters-Wattage_Required_to_Heat_Air_Flows.pdf
 Flanged Immersion Heaters Wiring Diagrams     Tubular Heaters-Terminal_Group.pdf
 
 
Typical Applications
  •  Radiant Heating
  •  Convection - Air and Gas
  •  Recirculation Ovens
  •  Shrink Tunnels
  •  Dryers
  •  Heat Treating
  •  Industrial Ovens
 
 
Wattage Required to Heat Air Flows:
 
 

Finned Tubular Heaters Construction Styles

 Finned Heater/Tubular Element: 1
Finned Tubular Element:1
 
Figure 1 - 0.315"
kw L part no.
1
2
3
4
5
6
 
19
34
49
64
79
94
 
ASB-301S
ASB-302S
ASB-303S
ASB-304S
ASB-305S
ASB-306S
 

nominal dimensions
F = 5/8"

Figure 1 - 0.430"
kw L part no.
2
3
4
5
6
7
8
27
39
52
64
77
89
102
ASB-402S
ASB-403S
ASB-404S
ASB-405S
ASB-406S
ASB-407S
ASB-408S

nominal dimensions
F = 5/8"

 

U Shaped Copper Sheathed Finned Tubular Element: 2
Finned Tubular Element:2

 
Figure 2 - 0.315"
kw L part no.
1
2
3
4
5
6
 
 
 
 
19
16
24
31
39
46
 
 
 
 
ASB-301U-A
ASB-302U-A
ASB-303U-A
ASB-304U-A
ASB-305U-A
ASB-306U-A
 
 
 
 

nominal dimensions
C = 2 1/2"
F=5/8"
R = 1  9/16"
W = 3 3/8"

Figure 2 - 0.430"
kw L part no.
2
3
4
5
6
7
8
13
20
26
32
38
44
51
ASB-402U-A
ASB-403U-A
ASB-404U-A
ASB-405U-A
ASB-406U-A
ASB-407U-A
ASB-408U-A

nominal dimensions
C = 3"
F=5/8"
R =  2"
W=4"

 W Shaped Incoloy Sheath Finned Tubular Element: 3
Finned Tubular Element:3
 
Figure 3 - 0.315"
kw L part no.
1
2
3
4
5
6
 
 
6
10
13
17
20
24
 
 
ASB-301W
ASB-302W
ASB-303W
ASB-304W
ASB-305W
ASB-306W
 
 

nominal dimensions
A=L-F
C=4½"
F=5/8"
W=5½"

Figure 3 - 0.430"
kw L part no.
2
3
4
5
6
7
8
7
10
14
17
20
23
26
ASB-402W
ASB-403W
ASB-404W
ASB-405W
ASB-406W
ASB-407W
ASB-408W

nominal dimensions
A=L-F
C=6"
F=5/8"
W=7 1/8"

 

Brass Fittings-Finned Tubular Element 4
Finned Tubular Element:4

 
Figure 4 - 0.315"
kw L part no.
1
2
3
4
5
6
 
20.5
35.5
50.5
65.5
80.5
95.5
 
ASB-301SF
ASB-302SF
ASB-303SF
ASB-304SF
ASB-305SF
ASB-306SF
 

nominal dimensions
F=2 1/8"

Figure 4 - 0.430"
kw L part no.
2
3
4
5
6
7
8
28.5
40.5
53.5
65.5
78.5
90.5
103.5
ASB-402SF
ASB-403SF
ASB-404SF
ASB-405SF
ASB-406SF
ASB-407SF
ASB-408SF

nominal dimensions
F=2 1/8"

 

U Shaped, Incoloy Sheath Finned Tubular Element:5
Finned Tubular Element:5

 
Figure 5 - 0.315"
kw L part no.
1
2
3
4
5
6
 
10.5
17.5
25.5
32.5
40.5
47.5
 
ASB-301UF
ASB-302UF
ASB-303UF
ASB-304UF
ASB-305UF
ASB-306UF
 

nominal dimensions
C=1½"
F=2 1/8"
W=2½"

Figure 5 - 0.430"
kw L part no.
2
3
4
5
6
7
8
14.5
21.56
27.5
33.5
39.5
45.5
52.5
ASB-402UF
ASB-403UF
ASB-404UF
ASB-405UF
ASB-406UF
ASB-407UF
ASB-408UF

nominal dimensions
C=2"
F=2 1/8"
W=3 1/8"

 

W Shaped Stainless Steel Sheath & Fins- Finned Tubular Element: 6
Finned Tubular Element:6

 
Figure 6 - 0.315"
kw L part no.
1
2
3
4
5
6
 
7.5
11.5
14.5
18.5
21.5
25.5
 
ASB-301WF
ASB-302WF
ASB-303WF
ASB-304WF
ASB-305WF
ASB-306WF
 

nominal dimensions
A=L-F
C=4½"
F=2 1/8"
W=5"

Figure 6 - 0.430"
kw L part no.
2
3
4
5
6
7
8
8.5
11.5
15.5
18.5
21.5
24.5
27.5
ASB-402WF
ASB-403WF
ASB-404WF
ASB-405WF
ASB-406WF
ASB-407WF
ASB-408WF

nominal dimensions
A=L-F
C=6"
F=2 1/8"
W=7 1/8"

 
 

How To Order Finned Tubular Heaters

 
 
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