Tempco Custom Heater Manufacturing

Click image to enlarge

  • WebH674.jpg
  • WebH595.jpg

In-Line Forced Air Heaters

There are two types of InLine Forced Air Heaters:
LDA – outlet temperature of 1000°F (538°C) and Inlet air or gas temperature up to 250°F (121°C)
HAC – Exit air or gas temperature up to 1400°F (760°C) and Inlet air or gas temperature up to 250°F (121°C)

Explore In-Line Forced Air Heaters Specifications

Typical Applications

  • Laminating
  • Plastic Welding
  • Drying
  • Soldering
  • Baking
  • Preheating and Metalworking
  • Shrink Fitting
  • Packaging
  • Heat Shrinking
  • Sterilization

LDA In-Line Forced Air Heaters

Design Features:

  • Stainless Steel fitting is heli- arc welded at the air outlet.
  • Alloy 304 stainless steel tubing is used to provide high temperature strength and resistance to oxidation up to outlet temperature of 1000°F (538°C).
    Inlet air or gas temperature up to 250°F (121°C).
  • Stainless Steel fitting is heli-arc welded at the air inlet.
  • Standard termination is 10" (254 mm) long, Teflon® insulated lead wires exiting through a potting adapter.

Optional Features:

  • Other wattages and voltages
  • Other diameters or lengths
  • 1/8", 1/4", and 3/8" NPT male or female threads are available for the inlet and outlet fittings
  • External MI cable thermocouple
  • Other custom made fittings or flanges
  • S/S cable or braid for lead wire protection
  • SJO cord

Heater Description

A

Stainless Steel fitting is heli- arc welde at the air outlet.

B

Alloy 304 stainless steel tubing is used to provide high temperature strength and resistance to oxidation up to outlet temperature of 1000°F (538°C). Inlet air or gas temperature up to 250°F (121°C).

C

Stainless Steel fitting is heli-arc welded at the air inlet.

D

Standard termination is 10" (254 mm) long, Teflon® insulated lead wires exiting through a potting adapter.

In-Line Forced Air Heater

 

Heater Specifications

Heater Diameter (in) Maximum Amperage Cross Sectional Flow Area (in2) Maximum SCFM (ft2) Maximum Wattage/Linear Inch Of Heated Length
3/8 6 .030 8 200
1/2 8 .040 10 250
3/4 15 .120 20 500

Heater Selection

To ensure maximum heater life, heater wattage must be calculated so that it is suitable for the desired air flow. To calculate wattage, determine the air flow and temperature rise required. The following relationship can be used to determine the wattage.

Wattage =  SCFM × Temperature Rise (°F)
3

 

Table below shows the relationship between standard cubic feet per minute versus maximum watts per linear inch of heated length on different heater diameters.

Maximum Watts per Linear Inch of Heated Length
CFM 3/8" Dia. 1/2" Dia. 5/8" Dia. 3/4" Dia.
2 80 80 100 120
4 100 100 100 120
6 150 150 150 150
8 200 200 200 200
10 250 250 250
15 375 375
20 500

 

Air heaters must always have air flowing through them and must operate in a horizontal position to balance the internal resistance coil. Air Heaters can be made in any practical length. These sizes can be adapted with many types of fittings.

Diameter “A” Watts Volts Connection Part Number
  in (mm)        
0.5 51⁄2 139.7 400 120 3 Pins Male Insert LDA00194
0.5 51⁄2 139.7 400 240 3 Pins Male Insert LDA00196
0.5 51⁄2 139.7 600 120 3 Pins Male Insert LDA00197
0.5 51⁄2 139.7 600 240 3 Pins Male Insert LDA00198
0.5 51⁄2 139.7 400 120 36" Leads LDA00195
0.5 51⁄2 139.7 400 240 36" Leads LDA00199
0.5 51⁄2 139.7 600 120 36" Leads LDA00200
0.5 51⁄2 139.7 600 240 36" Leads LDA00201

 


HAC In-Line Forced Air Process Heaters

Design Features:

  • Two standard sizes: 1/2" diameter × 8" long, 11/16" diameter × 6" long
  • 304 Stainless Steel sheath
  • 120 Volt only
  • Exit air or gas temperature up to 1400°F (760°C)
  • Inlet air or gas temperature up to 250°F (121°C)
  • Ceramic coil support and insulator
  • Three different terminations
  • Customized termination, inlet, outlet, and wattage to customer specification available

 

Heater Options

Type SL: Straight Leads

Type SL HAC In-Line Forced Air Process Heater


Type SA: Straight Air Inlet

Type SA: Straight Air Inlet HAC In-Line Forced Air Heaters


Type NT: 90° Air Inlet | Barbed Fitting for 1/4" ID Tube

Type NT HAC In-Line Forced Air Heaters

 

Heater Construction

Daisy Wound Heating Element: This continuous wound heavy gauge high temperature alloy wire is supported on a custom designed ceramic insulator. This unique coil design rapidly and efficiently removes heat from the resistor wire to achieve higher air/gas temperatures than conventional coil wound designs. The coil assembly is enclosed a in stainless steel housing for safety and durability. Termination can be customized to suit your specific application. Consult Tempco with your requirements.

daisy wound element for HAC In-Line Forced Air Heaters

 

Pressure Vs. Temperature
(1/2" diamter heaters)

Pressure vs. Temperature graph for 1/2" diameter HAC heaters

Pressure vs. Temperature
(11/16" diamter heaters)

Pressure vs. Temperature for 11/16" diameter HAC heaters

 

 

 


 

This page and any filter selections have been saved.

Review Your Items.
 

Request for Quote

Tempco logo
  CORPORATE HEADQUARTERS
Tempco Electric Heater Corporation

607 N. Central Ave. | Wood Dale, IL 60191-1452 USA
Phone: 630.350.2252 | Toll Free: 888.268.6396
Fax: 630.350.0232 | Email: [email protected]

TEMPCO BRANCH OFFICES
We have Branch Offices located across the United States.

 


 

Tempco on LinkedIn       Tempco on Facebook       Tempco on Instagram       Tempco on Twitter       Tempco on YouTube

© 2023-2024 Tempco Electric Heater Corporation. All Rights Reserved.
top