Series DL Tubular Air Duct Heaters

Series DL Tubular Air Duct Heaters feature stainless steel elements, stainless steel element support, painted steel support rods & flange, NEMA 1 terminal enclosure, and replaceable element design.

Low temperature (500°F max.)

Product Inquiry

Standard Features

30 watts per sq. inch on sheath

Stainless steel elements – 1200°F max. sheath temperature

Stainless steel element support

Painted steel support rods & flange

NEMA 1 terminal enclosure

Recompacted bends

Replaceable element design

CSA certified with NEMA 1 Housing

Recommended Operating Conditions

Recommended Operating Conditions
Air Speed
Max. Operating Temp.
5
300°F
10
400°F
15
500°F

 

 

Volts 3-Phase

Volts
3-Phase
#
Circuits
KW
A
B
C
D
E
G
Wt.
(lbs.)
#
Elems.
Catalog #
240
480
1
1
4.5
24 5⁄8
20 3⁄8
2 5⁄8
4 5⁄8
8
4
15
3
DL3-4-3
DL3-4-5
240
480
1
1
9
24 5⁄8
20 3⁄8
3 5⁄8
5 5⁄8
10
2 1⁄2
20
6
DL6-9-3
DL6-9-5
240
480
1
1
18
24 5⁄8
20 3⁄8
5 5⁄8
7 5⁄8
10
3 1⁄2
25
12
DL12-18-3
DL12-18-5
240
480
2
1
27
24 5⁄8
20 3⁄8
7 5⁄8
9 5⁄8
12
3
35
18
DL18-27-3
DL18-27-5
240
480
2
1
36
24 5⁄8
20 3⁄8
9 5⁄8
11 5⁄8
14
2 3⁄4
41
24
DL24-36-3
DL24-36-5
240
480
2
2
45
24 5⁄8
20 3⁄8
11 5⁄8
13 5⁄8
14
3 1⁄4
50
30
DL30-45-3
DL30-45-5
240
480
3
2
54
24 5⁄8
20 3⁄8
13 5⁄8
15 5⁄8
14
3 1⁄4
60
36
DL36-54-3
DL36-54-5
240
480
2
1
63
24 5⁄8
20 3⁄8
15 5⁄8
17 5⁄8
14
41⁄4
70
42
DL42-63-3
DL42-63-5
240
480
4
2
72
24 5⁄8
20 3⁄8
17 5⁄8
19 5⁄8
14
43⁄4
80
48
DL48-72-3
DL48-72-5

Brochures

Closed Tank Heating

Watt Density

Percentage of Wattage

Looking for a
heating solution?

Discuss your project in detail with one of our Application Engineers and they will provide a heating solution perfectly suited to the needs of your application, as well as your budget. Contact us today!

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