High Temperature Furnace Models
Furnaces for High Quality Industrial/Production Use. Please inquire about the MHI Neverdown™ feature.
All sizes. Large industrial sizes to small. Furnace 1700°C/1760°C/1800°C with MP class heating-elements or 1400°C Models with GAXP class heating-elements. High-uniformity high-temperature furnaces from MHI. Specialty furnaces include high power density and large span models – features that the novel heaters and MHI insulation ceramics allow in the construction.
Comparing furnaces? What guarantees do you have for long life furnace. Here are a few…
- Is the warranty on Electronics at least 2 Years.
- Is the warranty on Heating Elements at least 1 Year
- Is your furnace made with all stainless steel for long life. Inside and outside?
- Safety refractory without fibers used as appropriate including for the doors.
- Top mounted MHI Moly-silicide heating elements. Best Life.
- High quality roof hangers?
- Is the exterior wall cooled for safety?
Furnace FeaturesSafety, Warranty, Non-sag High Temperature Roofs, Unique FiberFree™ Hearths, Great Uniformity Designed with modern materials Add clean environmental gases-high temperature steam/air-plasma  Very Large Box Furnace Large Furnaces
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FurnacesComplete Digital Controls/Data Acquisition Please click on a furnace-type below.
MHI is an energy efficient high temperature furnace and general furnace manufacturer. Our furnaces meet the highest standards for quality, energy efficiency, and performance. Several Sizes available: From laboratory, prototyping intermediate-scale, to large-scale with established high-safety heating devices, elements, furnaces and refractories. Single phase to three phase models 4 kW – 4MW.
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MicroFurnacesNew Micro-Furnace Models
Productivity vs Temperature (PDF)
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Furnace SummaryMHI has pioneered several specialty furnaces. Standard furnaces are listed above. Many can be customized to the requirements of the user. Please click on a category below. Please also contact MHI if seeking to upgrade an old furnace with the modern GAXP® heating elements or fiberfree™ insulation. Rapid cooled sealed furnaces for Austempering and Martempering or similar heat treat conditions with accurate hold temperatures. Industries served include the industrial, heat treat, medical, commercial, R&D, innovation, packaging, instrumentation, aviation, transportation, refrigeration/air conditioning, ashing organic and inorganic samples, petroleum refining, gravimetric analysis, biomass, chemicals, forest products, iron and steel, food and beverage,cement, glass, fabricated metals, plastics and rubber products, reactors, alumina, aluminum, transportation equipment, foundries, computers, electronics, and electrical equipment, textiles, machinery, and all types of critical manufacturing.
Guide for furnace selection
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| Lab Scale Furnaces | Industrial Scale Furnaces | Steam Ovens | Control Panels |
| Box Furnaces Bottom Loading Vertical Furnaces Horizontal Tube Furnace Tensile Testing Compact Slider Stackable Modules |
Bottom Loading Tube Furnace Horizontal Tube Furnace Top Hat Furnaces Hybrid Furnaces Front Loading Tilt and Pour Zapper |
Recirculating Ovens Continuous Oven Custom Convective Ovens |
Single Phase SCR’s 3 Phase SCR’s Electric Controllers Data Acquisition System MHI-8DATALOG Simple Gas Mixing System (automated) |
| Now Offering 1 Year Warranty on Heating Elements for Certain Classes of MHI Furnaces. Please contact MHI for full details.
For easy purchase of spare parts visit our store – (spare parts) |
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MHI High Intensity Offerings
- So many choices based on our years of understanding your specific needs
- Furnace Safety
- Data Acquisition for MHI Furnaces – MHI-DACS
- Unique easy connect features. Easy disconnect for tube furnaces.
- Easy connect terminals for better energy management and cooler terminals
- Unmatched high alumina roof hanger designs. Do not settle for a furnace without roof hangers.
- Muti-tap transformers.
- Uniformity: High order of +/- 2°C temperature uniformity
- MHI innovates for powerful concentrator technology. Our power concentrator furnace shown below has the highest energy density in its size class. PC furnaces have very high power concentration (J/s/m3) in order to enable a concentrated power processing of materials.
- Your Choice. Concentrate Hot Air, Concentrate Hot-Steam or Hot Electrons or Hot-Ions
- Call MHI at 513-772-0404 for more information.The fastest way for heat delivery is now with enhanced convection + radiation + e-Ion heavy assist.
- High Intensity for Aluminum Furnaces to Save Energy and Dross.
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Maximum Processing Temperature Size Power For 3DSintering™ Power Concentrator Furnace Size Contact Online For liquid aluminum holding Variable Contact Online 1600-1700°C 4 x 9 x 9 15kW 1200°C 8 x 8 x 8
8 x 8 x 8
8 x 8 x 812kW
23kW
35kW1000°C 4 x 8 x 8
4 x 8 x 8
4 x 8 x 810kW
20kW
30kW 
High Productivity ModelsOffers convection and best running value proposition One year warranty includes the heating elements.
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| Model
Internal Dimensions in inches |
Size |
| THF-1400-6-GAXP
(6 Cu Ft) 1400C Hybrid -THF-1400-6-GAXP Motorized Top Lift |
16″H x 24″W x 24″D |
| THF-1760-6-MP (6 Cu Ft)
1700C |
16″H x 24″W x 24″D |
| THF-1400-12-GAXP (12 Cu Ft) 1400C
Hybrid -THF-1400-12-GAXP Motorized Top Lift |
24″H x 46″W x 46″D |
Dross reduction Attachments to Furnaces e.g. Aluminum
- Reduced Energy Costs – Energy efficiencies of 0.2 kWhr/lb for melting with no emissions.
- Improved melting from ultra clean metal.
- Clean melting, with dross values less than 0.5% depending on configuration.
- No requirement for nitrogen, argon, or chemical fluxes – significantly reducing operating costs and the environmental impact.
- Extremely small equipment footprint as shown above in Figure 1.
- Quiet operation – Zero noise -much lower than typical, conventional plasma systems.
- High energy density nearly four times compared to the standard
| Model Number | Temperature | Interior Dimensions |
| LTF2 | 1100°C – 1700°C (2012°F – 3092°F) |
16″H x 24″W x 24″D |
| LTF 2-1400 | 1400°C (2552°F Max) |
16″H x 24″W x 24″D |
| THF-1400-(6-12)- GAXP | 1400°C (2552°F Max) |
6-12 Cubic Foot Furnace |
| M18-40 | Up to 1760°C (1800°C/3272°F Max) |
12″H x 12″W x 16″D |
| H14 | 1400°C (2552°F Max) |
8″H x 7″W x 8″D |
| M14 | 1400°C (2552°F Max) |
12″H x 12″W x 16″D |
| Request Quote | ||
More Box Furnace Models…
And..
Steam Ovens
Add Steam to a MHI Furnace or Oven MHI makes it easy for steam inlet port. New furnace prices have been dramatically reduced so that a steam inlet port and steam generator may be ordered with the furnace.
Specialty Furnaces
 Upright Module Furnace |
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Uniformity is enabled by double-wall stainless multiple high quality insulation layer.
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Uniformity comes from the thermal arrangement of heating elements. MHI furnaces offer:
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MHI Specialty Furnace Features
Safety, Warranty, Non-sag High Temperature Roofs, Unique FiberFree™ Hearths, Great Uniformity
Designed with modern materials and state-of-the-art technology platforms
Add clean environmental gases like high temperature steam or air-plasma
MHI Furnace Features
Safety, Warranty, Non-sag High Temperature Roofs, Unique FiberFree™ Hearths, Great Uniformity
Designed with modern materials and state-of-the-art technology platforms
Add clean environmental gases like high temperature steam or air-plasma
Large Long Furnaces
Long Furnaces to 1700°C
Collage of more features
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| Furnace Specials | Multi-Tap Transformers | MHI Quality Mark | TRIPAN Control Panels | Sub-Assembly catalogs |
MHI manufactures novel devices when standard furnaces cannot meet your needs. Please contact us.
