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MAXIMUM FLOW AIR HEATERS
ARTWORK/PRODUCT ART/ HEATERS/H-AHF DIM
13
(0.50)
Heated Length
Length ± 3.2 (0.13)
38
(1.50)
41
(1.63)
70
(2.75)
13
(0.50)
Heated Length
Length ± 3.2 (0.13)
38
(1.50)
41
(1.63)
70
(2.75)
For Low Pressure, High Flow Air Heating
AHF Series
AHF-10120 shown
smaller than actual size.
U 4" OD Mounting Flange
U Air Flows Up To 200
CFM*
U Exit Air Temperatures
up to 315°C (600°F)
U Post Terminals
Junction Box
APPLICATIONS
The AHF series maximum flow air
heaters are used with blowers or
recirculating air in baking, drying,
and preheating applications.
This air heater is designed with a
60 mm (2
3
⁄8") OD aluminum tube
and a cross frame heating element
for minimum resistance to air flow.
The nickel‑chrome heating element
is insulated by ceramic beads on a
stainless steel support frame which
is firmly secured to the inside of the
tube. Post terminals enclosed in a
junction box simplify the wiring.
A 102 mm (4") round flange with
pre‑drilled holes at the inlet side are
used for mounting the heater. It has
a practical operating range of up to
200 CFM with temperatures up to
315°C (600°F).
Calculate the flow rate, temperature
rise, or power requirement as
follows:
Watts = SCFM x DT / 3
SCFM = Standard Cubic Feet
Per Minute
DT = Temperature Rise in
Degrees F from the
Inlet to the Outlet
Minimum flow rates are given in the
table to right.
SPECIFICATIONS
Maximum Amperage: 15
Cross Sectional Flow Area:
3.5 square inches
Threaded Terminals: 6‑32
Nickel-Chrome Heating Element
Insulated with Ceramic Beads
102 mm (4") OD Flange
with three 7 mm (9⁄32")
diameter holes
equally spaced
on 3.25 BC.
60
Dimensions:
mm (inch)
Dimensions: mm (inch)
(2.38)
102
(4)
Max Watts/Linear Inch
CFM of Heated Length
1 150
2 150
4 150
6 150
8 150
10 150
20 175
30 275
40 350
50 450
60 525
To Order
Model Heated Length Watts/ Maximum Length Weight
Number Volts Watts mm (inch) Inch** CFM mm (inch) kg (lb)
120 Vac Models
AHF-06120 120 600 102 (4) 150 200 152 (6) 0.23 (0.5)
AHF-10120 120 1000 203 (8) 125 200 254 (10) 0.57 (1.25)
120/240 Vac Models*
AHF-12240 120 375 254 (10) 38 200 305 (12) 0.68 (1.5)
240 1500 254 (10) 150 200
AHF-14240 120 500 305 (12) 42 200 356 (14) 0.79 (1.75)
240 2000 305 (12) 166 200
* These air heaters can be operated on either 120 or 240 Volts. Specifications are given for
operation on both 120 and 240 Volts.
** Indicates watts per inch of heated length. Use the table above to determine minimum required
flow rates. The watts per inch of heated length can be changed by reducing the operating
voltage or by ordering a custom made heater. Stainless steel construction also available.
Consult Engineering.
Ordering Example: AHF-12240, air heater, 240 Vac, 1500 W.
To Order, Call or Shop Online at omega.com
SM
121
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