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Tunnel Ovens

A reliable source for Tunnel Ovens information and leading Tunnel Ovens Companies & Manufacturers.

They are designed to bake a vast variety of products in pans or directly on the hearth. Tunnel ovens are divided into two broad groups, direct gas fired tunnel and indirect gas fired tunnel. Read More…

Tunnel Ovens Tunnel ovens are an excellent resource for commercial or industrial baking. These industrial ovens generally consist of a metal belt passing through a connected series of baking chambers only open at the ends, or the tray oven, with a rigid baking platform carried on chain belts.
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Leading Manufacturers

Round Lake, IL  |  847-546-8225

Grieve’s only business since 1949 has been to design and manufacture industrial ovens and furnaces. Use our depth of knowledge and experience when you require an oven or furnace for powder coating, curing, baking, drying, stress relieving, and more.

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The GRIEVE CORPORATION $$$

Grand Rapids, MI  |  800-368-4768

Weiss Envirotronics is a worldwide leader in the design, manufacturer and service of environmental test chambers. A complete line of standard and custom chambers, from bench top models to full walk-in and drive-in solutions to meet any testing requirement. Not sure what you need? Let one of our applications engineers help. Weiss Envirotronics, Inc is ISO 9001 registered and A2LA accredited.

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Weiss Technik $$$

Maumee, OH  |  800-537-8980

Surface Combustion offers a diverse product offering for batch and continuous furnace designs for atmosphere, nonatmosphere or vacuum processing of ferrous and/or nonferrous components/materials. Surface also produces the industry's most popular endothermic and exothermic gas atmosphere generators.

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Surface Combustion Inc. $$$

Grant, MI  |  231-834-9131

Complete finishing systems are designed around your specific process needs and are optimized to fit within your space requirements. We specialize in producing paint systems for wet and powder coatings, while also providing comprehensive design, fabrication, installation, start-up, and training services. Our complete finishing systems consist of an overhead conveyor, pretreatment washer, dry-off oven, paint/powder booths, cure oven, and controls.

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Quality Finishing Systems $$$

Mansfield, TX  |  682-518-9002

Walton Process Technologies is your thermal equipment and control system specialist. We are a manufacturer and retrofitter of autoclaves, pressure vessels (ASME), bonding presses, ovens and batch process controls. Our pressure vessels are used in many industries such as aerospace/composite, gas/oil, tire treads/rubber & technology. Experience and dedication to superior products & customer service have made WPT a leader in the industry.

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Walton Process Technologies, Inc. $$$

De Pere, WI  |  920-336-9800

The CMM Group provides custom-designed industrial dryers and ovens for a wide range of applications in single or multi-zone configurations. The CMM Group designs and builds conveyorized curing, baking and drying ovens for automated production of small-to-medium sized products. Conveyorized roll support web dryers are available in horizontal or vertical tower design and can handle thin film to heavy gauge substrates, narrow to wide, slow or fast speeds.

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The CMM Group $$$

Saint-Hubert, QC  |  888-797-2342

Pyradia is a leading manufacturer of industrial furnaces and ovens in North America. Our engineering capabilities enable us to deliver heat treating equipment such as drop bottom oven for aluminum heat treating as well as controlled atmosphere modular heat treating lines. We serve the Aerospace, Automotive, Defense, Heat Treating and bearings industries among others. Pyradia also has 2 additional divisions manufacturing roll-to-roll web converting equipment and dust collecting systems.

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Pyradia, Inc. $$$
placeholder image The GRIEVE CORPORATION Weiss Technik Surface Combustion Inc. Quality Finishing Systems Walton Process Technologies, Inc. The CMM Group Pyradia, Inc.

Direct gas fired tunnel ovens use air turbulence to achieve a uniform bake with strong product side walls in a shorter amount of time. The bake chamber's temperature is determined by multiple thermocouple sensors that also provide zoned temperature controls. This feature allows for complete flexibility, precision and accuracy. In addition, individually controlled ribbon burners are located above and below the hearth for even heat distribution.

Tunnel Ovens Tunnel Ovens - Epcon Industrial Systems

Finally, the hearth is generally made of stone, steel or tight or open mesh. A mesh hearth allows for air circulation and uniform patterning on the product underside. Indirect gas fired tunnel ovens instead operate using gas, propane or oil burners. These burners fire into a combustion chamber that supplies the radiant heat system contained within the bake chamber, which keeps combustion products outside the bake chamber and allows products to instead bake inside heated ambient air.

Indirect tunnel ovens, like direct tunnel ovens, may have a mesh hearth that allows for air circulation and uniform bottom baking as the products move through on the conveyor. Manufacturers may include full lateral adjustments in upper and lower zones for bake control, or may even offer steam zones.

Other types of tunnel ovens include air impingement, infrared, radiant-tube, thermal-oil, electric, dual-fuel and hybrid. Manufacturers also commonly offer custom design services to meet your specifications. They do so by calculating capacity and dimensions based on your requirements, resources and size conditions of your facilities.

They make sure to build you the right baking surface and select humidity and temperature control settings that will optimize your application's color, surface temperature and moisture content. The right tunnel ovens will help your application succeed with better quality products, increased speed of baking and drying processes and lower operating costs.

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