Chromalox® STFX units provide replaceable-element design in a compact setting so they are ideal for smaller, critical system tanks that need to remain filled for continuous operation and storage. These units comply with API-614 and can be used for such materials as lube oil, fire water storage, water solutions, asphalt, water/glycol, diesel, acidic solutions, ethanol, bio-diesel (B-100), glycerin, animal fats, vegetable oils, fuel oils, or similar types of liquids. Units are CSA-certified and can be provided with ASME. Installation is quick and easy. A standard carbon steel ANSI flange provides a straightforward mating connection with no special modifications required. Standardized 304 stainless steel heater cores allow for multiple heater element replaceability with a minimum number of parts. Each unit is equipped with a Type J thermocouple for overtemperature sensing on the pipe wall. A control panel can be matched to each unit to ensure seamless operation.
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LTFX heaters provide low-watt-density heating over a large surface area while providing precise temperature control for such materials as fire water storage, asphalt, diesel lube oils, ethanol, bio-diesel fuel, glycerin, animal fats, vegetable oils, fuel oils, or similar types of liquids. LTFX heating systems are inserted into an assembly of Schedule 40 NPS carbon steel or stainless steel pipe. This rugged construction is well-suited for corrosive applications. Alternative materials such as titanium, INCOLOY*, and 316 stainless steel are also available on request. Minimal-space open-coil-element (OCE) style elements can be bent during insertion or removal to a vertical plane with as little as 12 inches (305 millimeters) of clearance. Each unit comes equipped with a Type J thermocouple for temperature sensing on the pipe wall and can be matched with a corresponding control panel, mounted separately or installed directly on the LTFX heater, to ensure seamless operation. The Standard ANSI flange provides a straight-forward mating connection with no special modifications for quick and easy installation.
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Chromalox® RSTO unitary electric immersion systems provide low watt-density heating for viscous materials such as asphalt, fuel oil, pitch and tar, liquid sugar, molasses, lube oils, linseed oil, and other heat-sensitive materials. They can be installed in above-ground tanks. RSTO heater systems with open-coil-element (OCE) heaters are recommended for cramped locations because the opencoil heating elements can be bent in a vertical plane on a 12-inch (305-millimeter) minimum radius and require only 3 feet (1 meter) for installation or removal. The heating elements are inserted into an assembly of 3-inch Schedule 40 NPS carbon steel or stainless steel pipes. The heaters are self-contained with built-in temperature and power controls mounted in a weatherproof electrical enclosure. A liquid-tight adapter box is provided for welding the heater assembly to the tank header.
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Chromalox® FXTH heaters provide low-watt-density heating for viscous materials such as asphalt, fuel oil, pitch and tar, liquid sugar, molasses, lube oils, linseed oil, and other heat-sensitive materials. These heaters are particularly useful for storage tanks that are underground or when the tank ends are inaccessible for installation of more conventional heaters. They can be installed through the normal manhole opening of many large tanks above or below ground without requiring modification to the tank itself. Chromalox® FXTH heaters can be used in steel, concrete, and fiberglass tanks or in open-top process tanks. The basic heater assembly consists of carbon steel flexible pipe, terminal enclosure, 14-foot (4.28-meter) risers, two lifting cables, and 4-inch (102-millimeter) high sludge legs. Stainless steel is also available. Heat is evenly spread along the bottom of the tank. Its low profile provides maximum use of the tank volume and maintains heat even at low levels. High wattage at low watt density provides plenty of capacity without overheating the material.
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Screw plug immersion heaters consist of tubular elements in a threaded hex plug. Some models are provided with a thermowell for the temperature control sensor and a variety of electrical enclosures for electrical connections. They screw directly through threaded openings in tank walls to heat liquids, viscous fluids, forced air, and gases by direct contact. A patented 360° rotatable housing is available on most models to facilitate easy conduit connections.
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Over-the-side immersion heaters are designed for installation in the top of the tank with the heated portion directly immersed along the side or at the bottom. They take up little space, eliminate the need for tank penetrations, are easily removed for service, and provide ample working space inside the tank. Custom-configured elements evenly distribute heat by direct contact in numerous applications, including acid and alkali solutions. Mounting configurations include L-shaped, sidemount, top-mount, and deep-tank installation.
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Ideal for heating liquids in pressure vessels and tanks, flanged immersion heaters are hairpin-bent tubular elements welded or brazed into a flange and provided with electrical enclosures. Chromalox flanged immersion heaters are available in a wide selection of flange sizes and with a variety of electrical enclosures. Most units are UL listed and CSA-certified or can have ATEX certification. ASME or PED code construction is also available for high-pressure applications. Many models in stock.
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Chromalox circulation heaters are packaged units consisting of a flanged immersion heater mounted in a thermally insulated heating chamber for efficient heating of a flowing medium by in-line or sidearm operation. Thermocouple sensors can be provided to connect to most any controller. Select from many terminal enclosures, sheath and vessel materials, flanged connections, and controls. Chromalox offers optional ASME, PED, KOSHA, and SELO certification. Many models in stock.
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Chromalox heat transfer systems are safe, versatile, user-friendly heating systems for process tank heating applications requiring closely controlled process temperatures. Engineered and constructed with carefully matched components, these systems provide easy installation and trouble-free operation in your application.
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