S.M. Furnace Manufacturing Co. Inc.
Since 1954
S.M. Heat Treating, Inc.
ISO 9001:2008
Indicsoft ISO 9001:2008 Certified

Retort Furnaces

Industrial Pit Furnace with Multiple Retorts and Cooling Towers
[click to enlarge]
Industrial Pit Furnace with Multiple Retorts and Cooling Towers

S.M. Engineering provides custom designed horizontal retort furnaces for a number of industries, suitable for processes where a controlled or protective atmosphere is necessary. Our retort furnaces feature re-circulating fan with unique sanseal cover design to evenly distribute temperature and atmosphere, low-watt density for longer element life, and 80/20 nichrome ribbon heating elements. They are equipped with a state of the art atmosphere safety system with automatic as well as manual nitrogen purge, and a maximum heating temperature of 1800 °F.

We offer a host of available options including additional retorts, multi flow meters, additional cooling towers, temperature chart recorders, along with high and low temperature controls and SCR power control for power conservation. Our furnaces feature shells that are composed of .188” thick reinforced hot rolled steel, and can accommodate materials up to 48" in diameter, and 48” in width. Complete furnace systems can be provided with lead times of 12 – 18 weeks.

S.M. Engineering is a leader in furnace design and construction, offering premium quality and optimal functionality to our customers. We adhere to all applicable industrial and safety standards, and stand behind our products with warranties and training. For more information about our horizontal retort furnace or our other capabilities, please see the table below or Contact Us directly.

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Retort Furnace Capabilities

Product NameHorizontal Retort Furnace
Vertical Pit Furnace
ComponentsRe-Circulating Fan for Even Distribution of Temperature & Atmosphere
80/20 Nichrome Ribbon Heating Element
Low Watt Density Electric Heating Elements
Manual Nitrogen Purge / Atmosphere Safety System
OptionsCustom Designs
Additional Retorts
Additional Cooling Towers
Temperature Chart Recorders
High and Low Limit Temperature Controls
Silicone Controlled Rectifier Power Control
Automatic Nitrogen Purge
Cooler OptionsMild Steel
Stainless Steel
Low Nickel Stainless Steel
Furnace Muffle OptionsAlloy 330
Alloy 600
Alloy 601
Muffle ShapesRectangular
Reinforced D Shape
Corrugated D Shape
Reinforced Round
Control SystemDigital Temperature
PLC
Heat SourceElectricity
Gas Fired
Cooling SystemWater Cooled
Forced Air Cooling Tower
ChambersHermetically Sealed
Electrical RatingAll KW Ratings
All Voltages
Shell MaterialReinforced Hot Rolled Steel
Shell Thickness.188 in
Retort Thickness.250 to .3125 in
Retort MaterialStainless Steel
Alloy 330
Alloy 600
Alloy 601
Retort and Circulating FanUnique Sanseal Cover Design
Heating ElementsNichrome 80/20
Low Watt Density
Wire & Ribbon
Silicon Carbide Glow Bars
Maximum Temperature1800 °F
2100 °F
Materials HeatedAll Metals
Diameter36 in or 48”
Depth48 in
Larger Possible
Lead Time12 to 18 weeks

Additional Information

Industry FocusElectronics
Automotive
Aerospace
Aircraft
Wire
Strip Metal Manufacturers
Tubing Manufacturers
File FormatsAutoCAD
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