Process Electric Heaters

Process Air Heaters Medium Temperature High Temperature Finned Tubular

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Process Air Heaters

Installed in forced air ducts, these units supply constant heat for industrial processes requiring air temperatures up to 750°F / 400°C. Construction features include heavy gauge mounting flange, insulated terminal enclosure and easily replaced heating elements. Typical uses include forced air dryers, core drying, heat treating, annealing and other high temperature applications.

Options	Guidelines
Special ratings and/or sizes Moisture resistant/explosion resistant terminal enclosure All stainless steel frame construction Thermowell Replacement element part number J4W-0110 Thermocouple welded to sheath for high-limit protection Solid State controls/control panels.	Maximum Sheath Temperature: 1150°F/620°C Maximum Outlet Air Temperature: The guideline is based on 22 watts per square inch.

Air Velocity	Max Output Air Temperature
360 feet/min.	650°F / 345°C
540 feet/min.	700°F / 370°C
960 feet/min.	750°F / 400°C

Unit should not be energized in air with a velocity less than 60FPM.

A	B	D	X	kw	No. of Element	No. of Mtg. Hole	Catalog Number
							240V	480V
5-5/8	20-3/8	4	2-1/2	6	6	10	ODH-6A-0001	ODH-6B-0002
7-5/8	20-3/8	6	3-1/2	12	12	10	ODH-12A-0003	ODH-12B-0004
9-5/8	20-3/8	8	3	18	18	12	ODH-18A-0005	ODH-18B-0006
11-5/8	20-3/8	10	2-3/4	24	24	14	ODH-24A-0007	ODH-24B-0008
13-5/8	20-3/8	12	3-1/4	30	30	14	ODH-30A-0009	ODH-30B-0010
15-5/8	20-3/8	14	3-1/4	36	36	14	ODH-36A-0011	ODH-36B-0012
17-5/8	20-3/8	16	4-1/4	42	42	14	ODH-42A-0013	ODH-42B-0014
19-5/8	20-3/8	18	4-3/4	48	48	14	ODH-48A-0015	ODH-48B-0016
21-5/8	20-3/8	20	5-1/4	54	54	14	ODH-54A-0017	ODH-54B-0018
23-5/8	20-3/8	22	5-3/4	60	60	14	ODH-60A-0019	ODH-60B-0020

High Temperature Process Air Heaters

High Temperature Process Air Heaters provide process temperatures up to 1200°F / 650°C for many oven and forced air applications. Typical applications are recirculating ovens, converting ovens from gas or oil combustion, drying or curing ovens, heat treating, annealing and dehumidification.

Options	Guidelines
Special ratings or sizes Moisture resistant/explosion resistant terminal enclosure All Stainless Steel frame construction Thermowell Thermocouple welded to sheath for high-limit protection Solid state controls/control panels (PDF file - 75k)	Maximum Sheath Temperature: 1500°F / 815°C Maximum Process Temperature: This guideline is based on 20 watts per square inch.

Air Velocity	Max Outlet Air Temperature
240 feet/minute	1050°F / 565°C
540 feet/minute	1100°F / 595°C
960 feet/minute	1150°F / 620°C
1500 feet/minute	1200°F / 650°C
2160 feet/minute	1200°F / 650°C

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