Process hot air tools, high temperature

Process Hot Gas Heaters for Industrial Applications

MHI manufactures a comprehensive line of air/gas process heating tools from low to very high temperatures of 1500°C. MHI Airtorches™ are patented and applications pending. The secret to MHI Airtorch™ lies in the patented ability to generate very high energy conversion efficiencies - now qualified by National Laboratories. For help choosing the right Airtorch™ for your application, click here for Selection Guide.

For details of the Airtorch™ family please click Airtorch | AT-PV | GTA | LTA | VTA | SLTA | MTA925 | Plasma | Ultra or scroll below.

Testimonials | Calculate Power | Conversion Calculator | Quote for Airtorches™ | Flow vs. Temp. Charts

Airtorch™ Overview:
The Airtorch™ is used for several modern direct heating configurations (see typical application pages in Airtorch™ Handbook available free from MHI). Airtorches™ are also used for augmenting or heating existing ovens and furnaces. They offer high flexibility and control of any heating process. Input of air or gas may be from a compressor, blower or fan (depending on the model). MHI offers several categories of Airtorches™ such as LTA's (generally 900°C and below), AT models up to nearly 1200°C and Plasma/Ultra-Torch™ models up to nearly 1500°C. Several MHI Airtorch™ models accept high temperature feed gas input. LTA's accept line voltage. Some Airtorches™ may require feedback controls which are easily available from MHI. The kW required depends on the temperature of the exit gas from the Airtorches™ and the flow volume required. Please see formula to calculate. Please obtain flow rate vs. temperature graphs for individual Airtorches™ from MHI. Airtorches™ and LTA's may be purchased with several exit configurations which are generally shown on the specific web or catalog page. In addition further customization is also possible.

Airtorch™ Models:
AT Models (1300°C) (new higher temperature ) controls required			accessories
	Application: Automotive Sensor Simulation Brazing Furnaces IC's Debinding Curing Melting Solid Oxide Fuel Cells
	Maximum Temperature	Key Selection Feature	Typical Power Range
general specifications:	1300°C	In-line or Fan	0.5 to 60kW

MTA925 (925°C) - NEW! (For Hydrogen and combustible gas heating)			accessories
MTA925-2 2kW MTA925-12 12kW	Features and Application: Robust Design Niche Automotive Applications Service Plan (No Downtime) Solid Oxide Fuel Cells
MTA925-2 2kW MTA925-12 12kW	Maximum Temperature	Key Selection Feature	Typical Power Range
general specifications:	925°C (1700F)	In-line only	Email MHI for models

High Pressure Models AT-PV (1200°C) and GTA (850°C) controls required			accessories
AT-PV GTA	Application: Automotive Sensor Simulation Brazing Furnaces IC's Debinding Curing Melting Solid Oxide Fuel Cells Combustion studies
AT-PV GTA	Maximum Temperature	Key Selection Feature	Typical Power Range
general specifications:	850-1200°C	Pressure Vessel Model	6 to 400kW

LTA (850°C), VTA (750°C), SLTA (800°C)			accessories
LTA VTA SLTA	NEW - VTA's even > 300kW! Application: Drying Packaging Curing Coating Ovens and Paint Stripping Models can directly be plugged into 110/208/220/240/380/440/480V
LTA VTA SLTA	Maximum Temperature	Key Selection Feature	Typical Power Range
general specifications:	LTA850°C	In-line	1 to 60kW
general specifications:	VTA750°C	Fan	1 to 6kW

HGA (350°C) - Superheated Steam Generator			accessories
HGA 750-1	Application: Layering Epoxy Drying Steam Drying Steam Oxidation
HGA 750-1	Maximum Temperature	Key Selection Feature	Typical Power Range
general specifications:	350°C	Superheated Steam	1kW

Plasma Models (1300°C) controls required			accessories
	Application: Sterilization Surface Cleaning Coatings and Film Brazing Alloys Semiconductor and Waste Beneficiation Plasma Beam Melting for Aluminum with lowest dross and highest energy efficiency
	Maximum Temperature	Key Selection Feature	Typical Power Range
general specifications:	1300°C	Plasma	1 to 10 kW

Ultra Models (1400°C) controls required			accessories
	Application: Inline Gas Heating High Gas Out-put Available
	Maximum Temperature	Key Selection Feature	Typical Power Range
general specifications:	1400-1500°C	In-line or Fan	2.5kW

Fuel Cell & Hydrogen Heaters			accessories
	Application: Fuel cell and hydrogen
	Maximum Temperature	Key Selection Feature	Typical Power Range
general specifications:	Please Call	In-line	Call MHI

Micro Models MTA/LTA600-130 Micro Airtorch™			accessories
	Application: Fuel Cell and Hydrogen Proton Exchange Membrane (PEM) Alkaline (AFC) Direct Methanol (DMFC) Phosphoric Acid (PAFC) Molten Carbonate (MCFC)
	Maximum Temperature	Key Selection Feature	Typical Power Range
general specifications:	Please Call	In-line	Call MHI

High Efficiency Recirculating Ovens			accessories
	Application: Ageing Drying Curing Dental Laboratory
	Maximum Temperature	Key Selection Feature	Typical Power Range
general specifications:	400°C	Energy Efficiency and Uniformity	1 to 2 kW

Models for 3000°C			accessories
Call MHI for pictures	Application: Plasma Abatement Highest Gas Out-put Available
Call MHI for pictures	Maximum Temperature	Key Selection Feature	Typical Power Range
general specifications:	3000°C and beyond	In-line or Fan	Call MHI

Airtorch™ Resources:

Recirculating Airtorch
Airtorch Handbook
Airtorch Applications
Knife Edge
Die Heating

Controls
Thermoplate
Furnaces
Continuous Ovens Pricing
FAQ's

GAS MANAGEMENT SYSTEMS:

SIMGAS

GPAN

Data Acquisition Software:
MHI-DACS

further customization and customized nozzles

What's New

The latest application of the Airtorch™ is in Fluidized Beds! Please call MHI for details.

Article Brief: Convective Heating for Ovens

75% Improvement in Energy Efficiency/Elimination of Distortion.

A comparison of the benefits of heating by convection and radiation at temperatures below 1000°C (1830°F) is presented in this article. The convective heating data is for a nonpolluting furnace that uses an electrically powered, ultra hot-air/ gas generator. The Airtorch source quickly and efficiently produces hot air or inert gas heated to temperatures as high as 1000°C (1830°F). The complete article is available in the October issue of ADVANCE MATERIALS & PROCESSES magazine (pages 213 to 215,10/1999). Read complete article and other similar articles

Read Article on enhanced heat transfer coefficient with even small stable ionization

Airtorch™ Continuous Oven

Please contact MHI to design the best
solution for your application.

Phone (513) 772-0404
Fax (513) 672-3333

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Airtorches™ are patented. Note all trademarks and copyrights.