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Air duct heaters are available: open coil, tubular or finned tubular heating elements that are either flanged or inserted in the duct. Air duct heaters come in various sizes and dimensions to fit any compartment. Air duct heaters are primarily used in air flowing ventilation systems and comfort-heating applications while process duct heaters are mainly used for industrial process heating, Duct heaters are easily installed in applications requiring a wide range of temperature versus air flow combinations.
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Tubular heateris a cylinder shape, heavy-duty sheathed heater used in various industries. It is compacted with a high temperature MgO powder that provides good insulation property and heat-transfer characteristics between the nichrome wire element to the heater sheathed body.
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Finned tubular air heating elements are constructed like basic tubular elements with the addition of continuous spiral fins, 4-5 per inch permanently furnace brazed to the sheath. Fins greatly increase surface area and permit faster heat transfer to air, resulting in lower surface element temperatures. Application conditions such as vibration and toxic/flammable media should be taken into consideration when installing heaters. Protective coatings are available for use on steel finned heaters for mildly corrosive or high humidity applications.
Defrost heaters are used for the prevention of ice buildup on freezer and evaporator coils. Defrost heaters are typically employed to defrost coils and evaporating pans. This type of heater can be clamped to tanks, pipes, or coils. Elements can also be bent to requirements and provided with fixing nipples and other mountings. Application conditions such as cold room, frozen equipment, refrigerator and Freezer.
Mica band heaters are made of a resistive wire or band insulated between two mica plates. This assembly is protected by a stainless-steel sheet with high corrosion and heat resistance. Mica band heaters are used to reduce the viscosity of thick liquids and gels by heating. This means that the liquid or gel can then be pumped or bottled more easily. Alternatively, Mica band heaters can be used to prevent liquids from freezing prematurely.
Common Applications:
Finned tubular air heating elements are constructed like basic tubular elements with the addition of continuous spiral fins, 4-5 per inch permanently furnace brazed to the sheath. Fins greatly increase surface area and permit faster heat transfer to air, resulting in lower surface element temperatures. Application conditions such as vibration and toxic/flammable media should be taken into consideration when installing heaters. Protective coatings are available for use on steel finned heaters for mildly corrosive or high humidity applications.
Defrost heaters are used for the prevention of ice buildup on freezer and evaporator coils. Defrost heaters are typically employed to defrost coils and evaporating pans. This type of heater can be clamped to tanks, pipes, or coils. Elements can also be bent to requirements and provided with fixing nipples and other mountings. Application conditions such as cold room, frozen equipment, refrigerator and Freezer.
Strip heaters, often known as component heaters, are a simple way of using surface area to transfer heat effectively. Strip Heaters are constructed using our own proprietary refractory cement and are highly compacted for excellent heat transfer. These are primarily used for convection type air heating and clamp on conductive heating. The strip heaters are available in a wide variety of widths and lengths. There are many different options for sheath material, terminations, mounting and electrical ratings. These heaters are highly suited for many industrial and commercial applications.
Common Applications:
Ceramic band heaters comprise a resistive wire inserted into a ceramic core. These core elements are hinged, giving the heating band high flexibility. A stainless steel or Inconel sheet equipped with fixing screws protects the heating band assembly and enables it to be mounted on the part to be heated. Suitable for a maximum operating temperature of 700 °C, ceramic heating bands can be connected to the power supply via threaded terminals or cables.
Common Applications:
Bobbin heaters are coming in the following two design that is ceramic bobbin heater and Flanged type bobbin heater with steel tube. Bobbin heater are used in the heating of air and heating various liquids like oil, water and chemicals. These heaters are constructed by a helically wound nickel chrome resistance coil is evenly stretched through a specially designed ceramic insulator and inserted into a thermo well (SS tube) offer a large heated area to the liquid or semi-solid to be heated. Material such as oil, wax, fats and bitumen require low heater surface temperature to prevent product degradation. For these applications the Ceramic Bobbin heater is ideal. A Feature of this type of heater is that it may be removed for repair or replacement without draining the contents of the vessel. These elements are designed to have a very low watt density on the casing pipes thus they ensure a longer life for the elements. Flanged bobbin heater is nothing but the bobbin heater which is inserted into a metal tube with metal flange for mounting in a vessel and provided with wiring boxes for electrical connection.
Common Applications:
A cartridge heater is a tube-shaped, industrial heating element that can be inserted into drilled holes. Cartridge heaters provide localized and precise heating and are commonly used in the heating process industry. Typically, cartridge heaters are used to heat a metal block from the inside and can be custom manufactured to a specific watt density based on the requirements of the application.
Cartridge heaters are most frequently used for heating metal parts by insertion into drilled holes. For easy installation, the heaters are made slightly undersize relative to their nominal diameter.
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Circulation heaters, sometimes called In-Line Heaters, are packaged units consisting of a screw plug or flanged immersion heater mounted in a thermally insulated heating chamber for efficient heating of a flowing medium by in-line or side-arm operation. These heaters are especially popular in the oil and gas industry, where they are used to control the viscosity of oil and crude.
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Drum Heater also call as silicon rubber heater can be used to speed the flow of solid and semi-solid materials within a drum including Blanket Drum Heaters, Drum Immersion Heaters, Heated Drum Dolly, Metal Jacketed Drum Heaters and Silicone Rubber Drum Heaters.
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Immersion heaters are submersible heaters that use direct heat transfer to allow liquid mediums to quickly reach desired temperatures. They are commonly used with all types of tanks and processing equipment and are a cost effective, rapid heating method in almost any industrial or manufacturing environment.
Flanged immersion heaters are hairpin-bent tubular elements welded or brazed into a flange or pipe and provided with electrical enclosures. Flanged immersion heaters used for heating gases and liquids such as: water, oil, and corrosive solutions. Flange plate size, thickness and shape are determined by the application.
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