Series ILD Tubular Air Duct Heaters

Series ILD In Line Tubular Air Duct Heaters feature Incoloy® 840 elements, painted steel frame, NEMA 1 terminal enclosure, and replaceable element design.

Inline duct heater

Product Inquiry

Standard Features

26 watts per sq. inch on sheath

Incoloy 840 elements – 1700°F max. sheath temperature

Nichrome A resistance wire

Recompacted bends

NEMA 1 terminal enclosure

Replaceable element design

Painted steel frame

Recommended Operating Conditions

Recommended Operating Conditions
Air Speed
(ft. per second)
Maximum
Operating Temp.
4
600°F
9
650°F
16
750°F

Volts 3-Phase

Volts
3-Phase
#
Circuits
KW
A
B
D
#
Elems.
Wt.
(lbs.)
Catalog #
240
480
1
1
6
10 3⁄4
15 7⁄8
11 1⁄2
9
30
ILD9-6-3
ILD9-6-5
240
480
1
1
12
15 3⁄8
18 1⁄2
14 1⁄8
12
40
ILD12-12-3
ILD12-12-5
240
480
1
1
15
15 3⁄8
21 5⁄8
17 1⁄4
12
45
ILD12-15-3
ILD12-15-5
240
480
1
1
20
20 1⁄8
21 5⁄8
17 1⁄4
18
50
ILD18-20-3
ILD18-20-5
240
480
1
1
25
20 1⁄8
26 1⁄8
21 3⁄4
18
60
ILD18-25-3
ILD18-25-5
240
480
2
1
30
29 1⁄2
21 5⁄8
17 1⁄4
24
70
ILD24-30-3
ILD24-30-5
240
480
2
1
40
29 1⁄2
27 3⁄8
23
24
85
ILD24-40-3
ILD24-40-5
240
480
4
2
50
29 1⁄2
33 1⁄8
28 3⁄4
24
105
ILD24-50-3
ILD24-50-5

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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