Engineered Electric Heat - Control And Power

Tubular Heaters
A
Factory Bending
Tubular heaters can be factory formed to virtually any
shape. Inside bending diameters as small as one element
diameter are sometimes possible. Figures 1 to 11 illustrate
some of the most commonly used element shapes. If your
application can be satisfied with one of these shapes,
you may wish to refer to these figures when ordering or
requesting pricing information.
FIG. 3
W R2 D
FIG. 4
FIG. 6 FIG. 7
W
R 1
R 1
R 1
F
F
B
FIG. 9 FIG. 10
B
B
C
R 3
R 2
D
D
R 1
R 2
W
R 1
R 1
R 2
F
B
R 2
F
R 3
E
R 3
D
H
R 1 D
B
R
1
B
R
2
E
D
Engineered Electric Heat
FIG. 1
FIG. 2
FIG. 5
W
FIG. 8
FIG. 11
A DIA.
R 1
R D
R 1
R 2
B
B
R 3
Typical Shapes
D
R 2
R 4
F H
B
R
F
D
B
H
N = Number of turns
D
H
R
D
H