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AHPF Series
In-Line Air Heaters
INSTRUCTION
SHEET
Shop online at: omega.com e-mail: [email protected]
For latest product manuals: omegamanual.com
M2022/0117
GENERAL DESCRIPTION
The AHPF Series heaters are used to heat low flows of air, gas, water, or aqueous solutions. Applications include
those where clean air is necessary, as in laboratories and environmental testing areas. The stream of air is
heated by passing over an enclosed heated surface rather than directly over resistance elements. This method
assures that no foreign matter will enter the stream of flow. Outlet temperatures can be controlled by varying the
voltage or flow rate, or by using thermocouples and time proportional temperature controllers. Consult tables
below to determine maximum and minimum recommended flow rates.
Calculate the flow rate, temperature rise, or power requirement as follows:
Watts = SCFM x ∆ T/3
SCFM = Standard Cubic Feet per Minute
∆ T = Temperature Rise in Degrees F from the Inlet to the Outlet
The cold air entry should always be at the termination end of the heater. Do not run without proper air flow.
Controls should be used to prevent operation of the heater without air flow, i.e. and air flow switch. Incoming
air should be filtered prior to passing through the heater and be free of moister, condensation or other
contaminants.
Model
Number Volts Watts
120 Vac Models
AHPF-061
AHPF-081
AHPF-101
AHPF-121
20/240 Volt Models**
AHPF-062
AHPF-082
AHPF-102
AHPF-122
120 400 102 (4) 91 15 152 (6) 0.45 (1.00)
120 600 152 (6) 94 15 203 (8) 0.54 (1.18)
120 1000 203 (8) 120 15 254 (10) 0.62 (1.37)
120 1200 254 (10) 115 15 305 (12) 0.70 (1.55)
120
240
120
240
120
240
120
240
100
400
150
600
250
1000
300
1200
Heated Length
mm (inch)
102 (4)
102 (4)
152 (6)
152 (6)
203 (8)
203 (8)
254 (10)
254 (10)
Watts/
†
Inch
23
91
23
94
30
120
29
115
Maximum
CFM
15
15
15
15
15
15
15
15
Diameter
mm (inch)
152 (6) 0.45 (1.00)
203 (8) 0.54 (1.18)
254 (10) 0.62 (1.37)
305 (12) 0.70 (1.55)
Weight
kg (lb)
* Indicates watts per inch of heated length.
** These air heaters can be operated on either 120 or 240V. Specifications are shown for operation
on both 120 and 240V.
Specifications
Cross Sectional Area: 0.152 square inches
Pressure Rating: Up to100 PSIG
Wattage T olerance: +5,-10% or better at the voltage specified
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Contsruction
1. Heliarc weld
2. Stainless steel sheath
Liquid turbulator wire
3.
Ground post
4.
Post terminals
5.
6.
Connection box
Male Entry – 3⁄8" NPT
Female Exit –
Outlet
11⁄4"
11⁄2"
Intlet
5
1
⁄2" NPT
1
2
Heated Length
3
Turns Spaced
1
⁄2" – 3⁄4"
1
Length ± 1⁄8"
⁄8"
5
4
6
Pressure Drop vs. Air Flow
Minimum
CFM
Maximum Watts/Linear
Inch of Heated Length
1 75
2 100
4 150
6 200
8 200
10 250
15 275
omega.com [email protected]
U.S.A.
Headquarters:
Omega Engineering, Inc.
Toll-Free: 1-800-826-6342 (USA & Canada only)
Customer Service: 1-800-622-2378 (USA & Canada only)
Engineering Service: 1-800-872-9436 (USA & Canada only)
Tel: (203) 359-1660
Fax: (203) 359-7700
e-mail: info @omega.com
For Other Locations Visit
omega.com/worldwide
The information contained in this document is believed to
be correct, but OMEGA accepts no liability for any errors
it contains, and reserves the right to alter specifications
without notice.
Servicing North America:
8.0
6.0
10"
4.0
2.0
Pressure Drop (psig)
0
0510 15
HEATED
LENGTH
4" HEATED
LENGTH
Air Flow (SCFM)
WARRANTY/DISCLAIMER
OMEGA ENGINEERING, INC., warrants this unit to be free of defects in materials and workmanship for a period of 13 months
from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period to the normal one (1) year product
warranty to cover handling and shipping time. This ensures that OMEGA’s customers receive maximum coverage on each product.
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service Department will issue an
Authorized Return (AR) number immediately upon phone or written request. Upon examination by OMEGA, if the unit is found
to be defective, it will be repaired or replaced at no charge. OMEGA’s WARRANTY does not apply to defects resulting from
any action of the purchaser, including but not limited to mishandling, improper interfacing, operation outside of design limits,
improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows evidence of having been tampered with
or shows evidence of having been damaged as a result of excessive corrosion; or current, heat, moisture or vibration; improper
specification; misapplication; misuse or other operating conditions outside of OMEGA’s control. Components in which wear is
not warranted, include but are not limited to contact points, fuses, and triacs.
OMEGA is pleased to offer suggestions on the use of its various products. However, OMEGA neither assumes responsibility
for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance
with information provided by OMEGA, either verbal or written. OMEGA warrants only that the parts manufactured by the
company will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY
KIND WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT THAT OF TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY
WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF
LIABILITY: The remedies of purchaser set forth herein are exclusive, and the total liability of OMEGA with respect to this order,
whether based on contract, warranty, negligence, indemnification, strict liability or otherwise, shall not exceed the purchase
price of the component upon which liability is based. In no event shall OMEGA be liable for consequential, incidental or special
damages.
CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic Component” under 10
CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical applications or used on humans. Should any
Product(s) be used in or with any nuclear installation or activity, medical application, used on humans, or misused in any way,
OMEGA assumes no responsibility as set forth in our basic WARRANTY/DISCLAIMER language, and, additionally, purchaser will
indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product(s)
in such a manner.
Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE RETURNING ANY
PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR) NUMBER FROM OMEGA’S CUSTOMER
SERVICE DEPARTMENT (IN ORDER TO AVOID PROCESSING DELAYS). The assigned AR number should then be marked on the
outside of the return package and on any correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent breakage in transit.
FOR WARRANTY RETURNS, please have the following
information available BEFORE contacting OMEGA.
1. Purchase order number which the product was
PURCHASED,
2. Model and serial number of the product under warranty, and
3. Repair instructions and/or specific problems relative to
the product.
OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords customers
the latest technology and engineering.
OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
© COPYRIGHT 2017 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied,
translated, or reduced to any electronic medium-readable form, in whole or in part, without the prior written consent of OMEGA
ENGINEERING, INC.
RETURN REQUESTS/INQUIRIES
FOR NON-WARRANTY RETURNS, consult OMEGA for
current repair charges. Have the following information
available BEFORE contacting OMEGA.
1. Purchase Order number to cover the COST of the repair,
2. Model and serial number of the product and
3. Repair instructions and/or specific problems
relative to the product.
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