Products
Heaters
Air Duct Heaters
Series ILD Tubular
Heaters
Air Duct Heaters
Series ILD Tubular
Series ILD In Line Tubular Air Duct Heaters feature 334 stainless steel elements, painted steel frame, NEMA 1 terminal enclosure, and replaceable element design. In Line Air Duct Heater
|
Recommended Operating Conditions
|
|
|
Air Speed
(ft. per second) |
Maximum
Operating Temp. |
|
4
|
600°F
|
|
9
|
650°F
|
|
16
|
750°F
|
Inline duct heater
Features:
- 26 watts per sq. inch on sheath
- 334 stainless steel elements - 1500°F max. sheath temperature
- Nichrome A resistance wire
- Recompacted bends
- NEMA 1 terminal enclosure
- Replaceable element design
- Painted steel frame

|
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 |
Certifications
Our heaters are currently UL recognized, CSA compliant and CE approved. We are ASME and National Board certified for Section VIII Div 1 Pressure Vessel Welding.
Additionally, we have built heaters to Military standards for the Army, Navy, Coast Guard and DCSC. We have designed and built systems to Canadian pressure vessel codes CRN, ABSA & TSSA. We also meet certain NSF, NACE and API standards.






