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Finned Tubular Heating VIDEO
Finned tubular heating elements from WATTCO™ are the most versatile and the best suited solutions to a large number of applications. Finned tubular elements from WATTCO™ are factory-configured to almost any shape or size. Custom bending diameters can be made upon request. Typically using steel, stainless steel, Incoloy, inconel or titanium alloys, tubular elements are often regarded as the foundation of all heating elements. These heating elements have a strong outer sheath to help protect the heater from physical stress and uses high quality alloys to allow efficient heat transfer from resistance coil to your heating medium.
 
Depending on their rating, sheath and shape, WATTCO™ tubular elements are used in a variety of heat applications (conduction, convection, radiation heating) that require process temperatures of up to 750°C (1 382°F) to heat liquids, gases and solids. A variety of diameters are available to help adjust watt densities in your application to design these electric heaters for best performance and long life. Standard and custom made terminal pins allow for easy installation and maintenance. Wattco uses high quality magnesium oxide to allow for efficient heat transfer from resistive coil to your heating medium whether it is air, liquid or solid. Bending radiuses are designed with careful expertise to allow for optimal performance when meeting "form fit and function" within your application.


Duct heaters use fin tubular elements within its design to help reduce the watt density. It also allows for more consistent air flow streams within the duct and increases the life longevity of the elements. Duct heaters that have finned tubular elements can have the tubular elements come with bushings for easy mounting and future maintenance. Thermocouples can also be placed within the tubular element bundle to measure temperature and to regulate maximum temperatures desired. High limit probes can be placed within the bundle to protect the tubular element from overheating. Duct heaters that use tubular elements are typically made for outside uses or uses in harsher environments. Tubular elements that use stainless steel can withstand the external elements of outdoor usage and are widely used in commercial and industrial applications.  

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  • Bends

    Unlimited number of custom bends available. 

  • Flexibility

    Great flexibility to meet application needs.

  • Densities

    Watt Densities of up to 120 WPSI available

  • sheath

    Thicker sheath wall are available for intensive applications.

    Sheath temperatures of up to 1200ºF.

  • Humidity

    Silicone seals to ensure moisture resistance in humid environments.

  • Cold Section

    Custom made cold sections are available.

  • Terminations

    Numerous types of terminations available.

Specifications Applications Features & Benefits Literature & Downloads Images

• Standard diameters: 0.260 inch , 0.315 inch , 0.375 inch , 0.430 inch , 0.475 and 0.625 inch diameters
• Available in a broad variety of sheaths, diameters, and ratings
• Supplied with electrically insulated sheath
• Provide superior internal electrical insulation and heat conductivity
• CSA, CSA US & UL approved
 

 

Copper 

Water

Oil  

Grease  

solutions non-corrosive to copper 

Steel 

Alkaline cleaning solutions

Tars 

Asphalt  

Air heating  

Stainless steel 

Corrosive liquids

Food processing equipment 

Radiant heating

Incoloy®

Cleaning and degreasing solutions

Corrosive liquids  

 

Inconel® 

Plating and pickling solutions  

Acid  

 

Titanium 

Corrosive liquids   

 

 

KEY FEATURES

THREADED FITTINGS
• Brazed, crimped or welded to the element’s cold section.
• Used as a tight joint to the heater, which is fixed in open tanks or vessels.
• Supplied in brass, steel, or stainless steel.


COMPRESSION FITTINGS
• Available in nickel-plated brass for field installation on elements of 0.375”, 0.430”, 0.475” elements diameter.

BENEFITS

• Easy to install
• Configurable to virtually any shape
• Compact size
• Precise and easy control of heat output
• Durable
• Easy to maintain
• Easy to replace thus eliminating long shut-down periods

FACTORS TO BE CONSIDERED

Please consider the following factors to select the ideal WATTCO™ tubular elements/tubular heating elements for your application:
• Heating element watt density
• Sheath material (corrosive or non corrosive)
     o Temperature of the product
     o Degree of aeration of the application
     o Air velocity within your application
     o Ambient temperature

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