Matrusree Electro Heats Gandhi Nagar, Hyderabad, Telangana

For applications requiring both terminations at the same end, either a U-bent or a two-pass element may be used. Two-pass elements, as shown in the cutaway view, have a U-bent coil inside the sheath and two leads or terminals at one end. Welding or silver soldering seals the opposite end. These elements are available in straight lengths, either finned or unfinned. They can be permanently mounted with a variety of factory-furnished mounting methods. By contrast, standard elements in straight lengths must have a flexible electrical connection at one end to allow for thermal expansion.   Features: Capable of withstanding much higher operating temperatures than conventional tubular heaters.Avaliable in (15.8mm), 0.669" (17mm), 0.748" (19mm) element diameter.Can be immersed in liquids, for Liquid Heating Applications.Two-Pass Heating Elements can be finned.Several wattage and voltage combinations are available. Applications: Inserted in machined holes to heat dies and platens.Multi zone heating.High temperature furnaces.Simulated fuel elements for nuclear reactors.Pressurizer heaters.Dry out heaters in large generators.

MATRUSREE ELECTRO HEATS designs and manufactures industrial electric Tubular Heaters that set the industry Standard for excellence. The most versatile of all electric heating elements, the tubular heaters are capable of being formed into virtually any configuration.Three basic tubular Air Heaters constructions are illustrated here. (Single-pass) Tubular Heaters. Custom Built tubular heaters (Two-Pass/Single Circuit) Tubular Heaters Duct Heaters Finned Tubular Heaters Depending on the application different tube diameters and different tube Sheath materials are available. Heating of air requires an oxidized tube surface. The Commonly specified Sheath Materials are SS304, SS316, and SS316L & INCOLOY for high temperature applications. The range of ratings, sizes, materials and terminations available, makes the tubular heater adaptable to many industrial, commercial and scientific applications. All wattages and voltages are possible as long as the resistance is within the fixed limits and the surface load will not be exceeded.

Features: Maximum Sheath Temperature: 620°C. Watt density : Max up to 25 w/in² Heating element in Copper (nickel plated), SS304, SS316, SS316L, Incoloy, and Lead/Teflon Coated Sheath Materials. Moisture resistant/explosion resistant terminal enclosure option. Tubular heaters can be factory formed to practically any shape, sometimes to bends as small as one element tube diameter. Magnesium Oxide, MATRUSREE uses only 96% pure MgO, the highest grade available for electric heating elements. Tubular Heating elements may be Bracket Mounted, clamped, Thread Nipple fitted, Flanged, casted into metals, Fitted with terminal box or spaced away from the work as radiant heaters. Elements can also be positioned in ducts or vessels for heating air or other gases. Tubular Heaters can be Finned. see Finned tubular heaters. Available in 0.318" (8.1mm), 0.430" (11mm), 0.551" (14mm), 0.625" (15.8mm), 0.669" (17mm), 0.748" (19mm) element diameter. Several wattage and voltage combinations are available. Easy to install. Excellent internal electrical insulation and heat conduction. Electrically isolated sheath. Construction: The cutaway view of a typical MATRUSREE’s tubular Heating element shows its basic construction. A coil of the highest-grade resistance Wire (80% nickel, 20% chromium) is precisely centered in a heavy gauge metal tube while the tube is filled with granular magnesium oxide powder. Terminal pins are Screwed / welded or silver soldered to the resistance coil at each end to provide an unheated length near the terminals and to secure the coil in the magnesium oxide. Through Swaging, the diameter of this assembly is reduced and the magnesium oxide compacted, insuring rapid heat transfer from the coil to the sheath, as well as high dielectric strength. After compaction, the element is processed in one of three Ways: Straight length elements are sealed and appropriate terminals applied. Formed elements are annealed and bent before they are Sealed and terminated. Finned elements are wound with a helical fin before they are sealed and terminated.

MATRUSREE’s Silica Cased immersion heaters are best suited where contamination of the liquid due to metal Sheath Material is a major problem. The pure fused silica sheath is highly resistant to corrosion, thereby eliminating the possibility of upsetting the chemical balance of solutions by metallic contamination. Construction: Silica Cased Immersion Heaters are made out of Quartz Silica tube sheathing, which is closed at one end. The Nichrome helically wounded wire is placed on a highly purity threaded ceramic core, so that the heating element should not sink upon heating. This complete unit is Now centered in this fused quartz tube and a rubber cap with terminal wires are mounted on the top. Features: Lengths available in 12” ,18” , 24” , 30” , 36” Operating Voltage: 230 V AC to 440V AC Wattage up to 4Kw

We are the main supplier of this product.

Type : Porcelain Heater

Certification : CE Certified, ISO 9001:2008

Color : Grey, Light White, Shiny-silver, Silver, White

Voltage : 110V, 220V, 380V, 440V

Condition : New, Used

Warranty : 1yrs, 2yrs, 5yrs

Type : Nozzle Heaters

Material : Aluminium, Copper, Metal, Tungsten

Certification : CE Certified, ISO 9001:2008

Color : Grey, LIght White, Sliver

Voltage : 110V, 220V, 380V, 440V

Condition : Good, New, Used

Automatic Grade : Manual

Warranty : 1 Year, 2years

MATRUSREE Strip Heaters offer a rugged construction available in electro plated steel or stainless steel. These Strip Heaters are an excellent choice for surface contact heatingA specific, Nichrome or Kanthal ribbon wire is wound on specially selected Mica Strip, providing even heat distribution for maximum Heater life. Mica of 1mm thickness is used to insulate the windings, providing excellent dielectric strength and thermal conductivity for efficient heat flow. Plus Mica withstands high voltage spikes, resists moisture and is inert to most chemicals. The element is then enclosed in either a Stainless steel or a specially treated rust resistant electro plated steel sheath to provide high emissivity and good thermal conductivity for sheath temperatures up to 300°C. (For sheath temperatures up to 550°C a stainless steel sheath is available).One critical issue with flat heaters is that they tend to detach from the surface they are mounted on due to thermal expansion. To prevent this, an adequate number of mounting screws should be used at the ends as well as the middle of the heater. Incorporated pressure plates could be used to give rigidity to the top sheet, improve heat transfer, and maintain a uniform heat distribution. Features: High temperature nickel chromium resistance wire. Thin construction and high quality insulation for effective heat transfer Excellent dielectric qualities Different sheath models to suite temperature range up to 550°C. Wide Variety of Standard and custom options available for termination and mountings. Several wattage and voltage combinations are available. 

MATRUSREE Strip Heaters are an economical and reliable source of heat for industrial equipment where even heats, over broad surface areas are desired.

  MATRUSREE Designs & Manufactures variety of Band Heaters, That are most commonly used in the Plastic Injection Moulding and Extrusion Processes machines. Use as low a watt density rating as your application permits. A close match of the heat supplied to the actual requirements will reduce temperature overshoot, reduce cycling and increase the life of any band heater you use. MATRUSREE’s mica band is a proven heater design for good life efficiency and dependability. It assures maintaining the lowest winding temperatures possible, keeping a low-mass heating element assembly for fast heat-up and quick response to controls. Construction: A specific, Nichrome or Kanthal ribbon wire is wound on specially selected mica grade providing even heat distribution for maximum heater life. Mica of proper thickness is then used to insulate the windings that provide excellent thermal conductivity and dielectric strength .The element pad is now enclosed in a specially treated rust-resistant steel sheath casing that provides the best combination of physical strength, high emissivity and good thermal conductivity to heated cylindrical parts.   Features: High quality nickel - chromium resistance wire Highest quality mica used for excellent dielectric strength in all designs. Two-piece & one-piece Construction. Variety of termination & Clamping High quality galvanized steel sheath Thin construction for maximum heat transfer. All bands are accurately rolled to the specified diameter for optimum contact. Sheath Material: Zinc plated MS, Brass or Stainless Steel Watt Densities: Maximum to 25 watts/in2 Voltage: 230 V AC to 440V AC Diameter: Min 25mm Options: Holes Ceramic tercaps Stainless steel casing Thermocouple bracket Dual voltage Special gap Etc.,

MATRUSREE’s Large Capacity Ovens were designed to meet the demand for large capacity, multi-purpose ovens. MATRUSREE’s unique turbo blower system creates a true one-pass circulation pattern that provides both exceptional temperature uniformity and rapid heat recovery. A slide-operated vent allows the user to adjust fresh air ventilation. This permits adjustment from continuous fresh air intake to closed recirculation. Two floor model ovens are offered to maximize laboratory space and allow high performance, large volume drying capabilities.     Large Capacity Forced Air (Convection) Ovens MATRUSREE’s Large Capacity Ovens were designed to meet the demand for large capacity, multi-purpose ovens. MATRUSREE’s unique turbo blower system creates a true one-pass circulation pattern that provides both exceptional temperature uniformity and rapid heat recovery. A slide-operated vent allows the user to adjust fresh air ventilation. This permits adjustment from continuous fresh air intake to closed recirculation. Two floor model ovens are offered to maximize laboratory space and allow high performance, large volume drying capabilities. Large Capacity Forced Air Convection oven   Muffle Furnace High temperature Helical Resistance wire is wound on outer surface of the Refractory Muffle & is insulated with cerawool Blanket or is cemented with high temperature Ceramic Cement. The complete unit is then housed in thick gauge MS cabinet with single door (refractory Insulated). Temperature can be controlled with either Energy Regulator OR Digital Temperature Controller. Muffle Size Rating 10” x 5” x 5" 2.0 KW 12” x 6” x 6” 3.5 KW 18” x 9” x 9” 6.0 KW Application Laboratory purpose Annealing Hardening of small components Research & Developments Industrial Applications Suitable up to 1000 oC. Laboratory Heating Mantles Heating mantles are used to heat various glass vessels in laboratories, Chemicals, Pharmaceuticals, Dyes, Glass Plants etc.. MATRUSREE’s Heating Mantles offer uniform heat distribution for round bottom flasks. Whether the need is a self-standing mantle, a mantle to fit in a basket ring stand, or a full coverage heating mantle system, MATRUSREE has the solution.Electric heating net is hand knitted from glass yarn and there is no joint to maintain the strength of the yarn and stands high temperature upto 350ºC. The body of the mantle is spun one piece from non rusting Aluminium (upto 5.0 Lt. Capacity) duly Painted. All heating mantles are lagged with special grade mineral wool. To work on 220/230 Volts A.C.

The standard ceramic insulated band has been, and continues to be the only barrel heater having built-in thermal insulation. In what went before, machine manufacturers have chosen to use the heater because of several advantages, but infrequently for its heat conserving qualities.The existing energy situation (in which the plastic processor must bare the inflated costs) is the reason for the development of the “INSULATION TECH” Power saving heater. MATRUSREE’s “INSULATION TECH ” power Saving Heaters are Specifically designed and engineered to meet the ever increasing demand for energy conservation and to improve operation efficiency capable of generating higher temperature essential to process today's high temperature resins…. Construction: The "INSULATION TECH" Power saving heater consists of the standard ceramic band components and Specially Constructed insulation chamber with Reflector, all of which are enclosed in a SS Perforated Heat Sink Casing. The Special internal construction dramatically reduces power consumption up to 30%, in comparison to all other non-insulated band heaters. While the internal Steel Casing with high thermal conductivity guarantees maximum heat transmission to the plastification Cylinders.We invite you to test run one of your injection machines with its present heater bands, recording the KWH used. Then, fit the same machine with "INSULATION TECH" Power Saving heaters and run it under identical conditions. In every case the savings realized will read out prompt conversion of all machine to "INSULATION TECH" or at least the phasing out of all other barrel heaters during routine maintenance. Features: "MAXIMUM ENERGY SAVINGS, MINIMUM SHEATH TEMPERATURES." Perforated shell for cooling. Variety of termination & Clamping. Voltage: 230 V AC to 440V AC. Watt density: Max 45 w/in². Application: PLASTICS PROCESSING MACHINERY EXTRUSSION INJECTION MOLDING HOLDING TANKS BLOW MOULDING PETROCHEMICAL THE FOOD INDUSTRY AND OTHERS.

A specific, Nichrome or Kanthal ribbon wire is wound on specially selected Mica Strip, providing even heat distribution for maximum Heater life. Mica of 1mm thickness is used to insulate the windings, providing excellent dielectric strength and thermal conductivity for efficient heat flow. Plus Mica withstands high voltage spikes, resists moisture and is inert to most chemicals. The element is then enclosed in either a Stainless steel or a specially treated rust resistant electro plated steel sheath to provide high emissivity and good thermal conductivity for sheath temperatures up to 300°C. (For sheath temperatures up to 550°C a stainless steel sheath is available).

Matrusree Electro Heats Manufactures Standard and Custom Electric Immersion Heaters in either a flanged, screw plug or Custom flanged Design. It consists of a single or multiple Heating elements and can be used for a variety of fluid heating applications. However it is important to note that allowable watt density depends on the material being heated. The Heating Element are hair pin bent and are either brazed or welded to the mounting attachment depending upon the element sheath material. MEH Manufactures Heaters Including..   Industrial Water Immersion Heater Chemical Heaters Parts Cleaning WaterHeaters Over – The – Side Immersion Heater Cooking Oil Heaters Lube Oil Heaters  kettle Immersion Heater Fuel Oil Heaters Clean Water Heaters Alkaline  Immersion Heater Heat Transfer Fluid Heaters Deionized Water Heaters  Flanged Immersion Heater Hydraulic Heaters Process Water Heaters   Features: Heating element in Copper, SS304, SS316, SS316L, Incoloy, Titanium, Lead /Teflon Coated Sheath Materials. 1"-3" Brass flange & Custom Flanges. General purpose, explosion and moisture resistant terminal enclosures. High, medium and low watt densities for various processes. Epoxy sealed terminals. Built In Thermostat Pocket Option High, medium and low watt densities for various processes Several wattage and voltage combinations are available. Incoloy Sheath: Ammonium Acetate, Caustic Soda, Citric Juices Other corrosive solutions & steam super heating. Stainless sheath material: Dematerialized or Deionized water (passivation recommended), Process water, soap and detergent solutions etc., Copper Sheath: Acetaldehyde, Sulphate Solutions, Cooling Towers, hot water storage, boiler, heating of solutions not corrosive to copper. Mild steel: Asphalt, wax, paraffin, tar, fluid heat transfer medium, petroleum,degreasing and solvent oils, machine oil, fuel oils, alcohol

Type : Industrial Immersion Heaters

Material : Alloy Steel, Cast Iron, Copper, Mild Steel, Stainless Steel

Certification : CE Certified, ISO 9001:2008

Application : Immersion Boiling

Color : Grey, Silver

Voltage : 110V, 220V, 380V, 440V.580V

Condition : New, Used

Power Source : Electric

Matrusree Electro Heats Manufactures Standard and Custom Electric Immersion Heaters in either a flanged, screw plug or Custom flanged Design. It consists of a single or multiple Heating elements and can be used for a variety of fluid heating applications. However it is important to note that allowable watt density depends on the material being heated. The Heating Element are hair pin bent and are either brazed or welded to the mounting attachment depending upon the element sheath material.

MATRUSREE ELECTRO HEATS designs and manufactures industrial electric Tubular Heaters that set the industry Standard for excellence. The most versatile of all electric heating elements, the tubular heaters are capable of being formed into virtually any configuration. Depending on the application different tube diameters and different tube Sheath materials are available. Heating of air requires an oxidized tube surface. The Commonly specified Sheath Materials are SS304, SS316, and SS316L & INCOLOY for high temperature applications. The range of ratings, sizes, materials and terminations available, makes the tubular heater adaptable to many industrial, commercial and scientific applications. All wattages and voltages are possible as long as the resistance is within the fixed limits and the surface load will not be exceeded.

Type : Hydraulic Heaters

Material : Steel,Mild Steel,Iron

Condition : New,Used

Voltage : 110V,220V,380V,440V,580V

Warranty : 1yrs,2yrs,5yrs

Certification : CE Certified,ISO 9001:2008

Driven Type : Electric

Color : Brown,Grey,Light White,Off-White

Porcelain Heaters, offer a large heated area to the Gases, liquids or semi-solids to be heated when inserted into a Thermo well. A Feature of this type of heater is that it may be removed for repair or replacement without draining the contents of the vessel. The sheathing Material may be M.S, S.S or Titanium or with clamp late, depending on the application.Open helical coils of high resistance wire is evenly stretched and laid through fluted refractory bobbins.these elements are then inserted into metal pipes of different diameters depending on the diameter of the fluted refractory bobbin, forming an integral part of the system. They are also welded to screw plugs of 1 ½” 2” or 2 ½” BSPT. Vertical heaters are provided with non-heating Zone, as they are required from top. Watertight terminal is available for this type of heater.

Finned tubular heating elements are of the type where the surface area is enlarged by a strip in order to heat gases. At high power the surface temperature is small and the heating element is short.MATRUSREE’s Finned Tubular Heaters are manufactured with the same rugged construction as the standard Tubular Heaters except a MILD STEEL ELECTROPLATED or a corrugated 304 STAINLESS STEEL FIN is helically wound on Heater Tube diameter (304 stainless steel) element. To insure a permanent bond, each end of the fin is fully brazed to the Heater sheath, for optimum heat dissipation and efficiency, as Brazed fins transfer heat at about double the efficiency of unbrazed designs. These heaters are ideal for heating air and select gases in forced and natural convection applications. Features: Possible Tube & Fin diameters: Heater OD: 8.2mm 11.2mmFin OD: 28mm 30mm Stainless Steel (Fin) sheath models are suitable for operating temperatures to 425 °C. Mild Steel (Fin) sheath (Electro plated) models are suitable for operating temperatures to 300 °C. Watt density: Max up to 35 w/in² High Temperature grade magnesium oxide insulation imbeds the resistance wire coil for optimum heat transfer & Dielectric Strength. Mounting fitting available with Standard Bracket or Threaded Nipple arrangement.( Standard and custom options available) Several wattage and voltage combinations are available. Application: Designed for rapid and uniform heat transfer for forced air heating. Temperature boosting. Channel air heaters for air conditioning and drying apparatus. Industrial Ovens and Cabinets. Duct Heater Assemblies. Resistive Load Banks.

Type : Duct Heaters

Material : Aluminum, Copper, Galvanised, Stainless Steel

Certification : CE Certified, ISI Certified

Color : Black, Brown, Grey, Sliver

Voltage : 110V, 220V

Condition : New, Used

Power Source : Electricity

Specialities : Durable, Easy Installation, Eco Friendly, Fast Heating, Good Capacity, Noiseless Operation, Rustproof, Stable Performance

Warranty : 1Year, 2Year

MATRUSREE’s strip heaters are constructed of specially selected high quality materials, beginning with the high temperature alloy resistance wire uniformly coiled and spaced over the width of the heated length of the strip heater. This controlled coil process and replacement assures uniform heat distribution over the entire active surface of the heater. Special care is taken to secure the stud-type terminal to the high-temperature alloy resistance contact.The coiled resistance wire is embedded in a special refractory Material that possesses excellent heat transfer characteristics and superior insulation properties. The entire heater assembly is encased in either stainless or chrome steel sheath and is compressed under high pressure. The completed assembly is heated under controlled conditions to bake and semi vitrify the refractory for a rigid, vibration resistant, heavy-duty heating unit. Features: Premium grade ceramic and magnesium oxide insulation Watt density: Max up to 30 w/in² High quality nickel-chrome resistance wire Many wattage, voltage, and length combinations Stainless steel sheath Models Available for High Temperature Application Wide Variety of Terminal Options. 

MATRUSREE Ceramic band heaters are medium-to-high temperature heaters that have 650ºC as a maximum working temperature. These durable heaters have in-built ceramic fiber jackets that make them energy efficient. Ceramic band heaters are available with different terminal styles, are fully flexible, and can accommodate holes and cut-outs. Construction: Ceramic Band Heaters design consist of a helically wound resistance coil made from 80/20 Nichrome wire, evenly stretched and precisely strung through a specially designed Ceramic insulating bricks forming a flexible heating mat. The ceramic heating mat along with 1/4" thick ceramic fiber insulation is placed in a stainless steel housing made with serrated edges providing maximum flexibility for easy installation. This construction prevents heat loss and reduces electrical consumption by 15%. Because of low thermal conductivity of CFI the external surface temperature of the Ceramic Band is around 200ºC while running the inside surface temperature at 650ºC.Heat is transferred from a ceramic heater to the surface of an application through conduction and radiation. This is why a tight grip on the cylinder is not as critical as in other types of heaters. Moreover, over tightening should be avoided, since the pressure on the insulation mat reduces its insulating efficiency. Using different combinations of ceramic tiles, which are available only in specific lengths, makes ceramic band heaters. Consequently, the width of a ceramic band heater falls within a certain incremental range. Ceramic Band Heaters can be manufactured with different clamping mechanisms, terminations styles, holes and cut-outs. Features:   Construction Conserve heat High degree of flexibility Uniform heat distribution Two –piece &one –piece Construction Variety of termination & Clamping Voltage: 230 V AC to 440V AC Watt density: Max 45 w/in² Minimum Width: 25mm Standard Width Increments: 15+6mm Maximum Width: Dependent upon the ratio of diameter to width. Minimum Diameter: 75mm Maximum Temperature: 650ºC Flexible, easy to install and remove

Aluminum Cast In Heaters can be casted into any shape and size needed, thus fully covering the part to be heated and virtually becoming the part itself. Most Cast In Heaters are made to customer specifications, but standard sizes are available out of stock. Aluminum Cast In Heaters are contamination and corrosion resistant and can with stand high temperature and pressures in harsh environments with trouble free service Features: High operating temperatures Liquid cooling or air-cooling option Any size or shape available Extremely ruled and resistant to damage Precise and accurate control of temperature due to heat cool action High watt densities available Voltage: 240-415 voltsCasting Material: Aluminum, Brass, Cast ironTermination's: Leads, Terminal Boxes, Screw/Threaded StudsWattage: Aluminum Up to 25 W/in2 and Bronze Up to 30 W/in2Options: Holes, Grooves, Notches, Cutouts, Available Top Casted-In-Band HeatersMATRUSREE’s CAST-IN band heaters have proven to be the most effective method for heating and cooling the barrels of plastics processing extruders. They are extremely efficient, providing thousands of hours of dependable, trouble free service. Specifically for close contact heating enabling precise heat conduction. Cast Aluminum heaters are machined to fine limits and complex patterns are achieved. They can be produced to your specifications or drawings, alternatively, against your sample. MATRUSREE offers CAST-IN band heaters with liquid and/or air-cooling functions. Liquid cooling incorporates tubing formed to a specific shape and casted as part of the heater assembly creating a passage for processing water or heat transfer solutions to dissipate the heat. Air-cooling incorporates numerous fins casted to the O.D. surface of the band. Construction: The heat sources for MATRUSREE’s CAST-IN heaters are tubular heating elements. They can be formed into endless configurations to Accommodate any practical CAST-IN heater shape or formed and casted in and around machine component parts such as fluid transfer pipes, valves, reducers, tees, elbows, and other special assemblies requiring localized heat. The sheath material is Stainless Steel and heater diameter will vary depending on CAST-IN heater design. Aluminum is the predominant alloy used for CAST-IN heaters. Brass is used when the operating temperature required exceeds those of Aluminum. Also recommended for heated platens on molding presses as Bronze can withstand more pounds per square inch of pressure. Features: Habitually, liquid cooled Cast-In Heaters have been the more frequently employed method of controlling the melt temperature of extrusion barrels. There is no doubt about the effectiveness and speed of liquid cooled castings in removing heat from the extrusion process. However, there are some drawbacks that primarily relate to maintenance-associated issues. Air Cooled Cast-In Heaters are virtually maintenance free and therefore, when properly installed and applied, have the capability to far outlast their liquid cooled counterparts. Since cooling tubes are not used, the possibility of breakage, cracking or becoming clogged with brine or mineral deposits is not a concern. Additionally, Air Cooled Cast-In Heaters do not require an expensive cooling tower or heat exchange system, extensive plumbing systems and labor for installation. These factors along with the benefit of being maintenance free make MATRUSREE’s Air Cooled Cast-In Heaters an economical and practical source for your extrusion heating and cooling application. In certain instances where air-cooling alone will not sufficiently cool the process, liquid cooling tubes can be cast into the heater as well to maximize BTU removal  

MATRUSREE’s CAST-IN band heaters have proven to be the most effective method for heating and cooling the barrels of plastics processing extruders. They are extremely efficient, providing thousands of hours of dependable, trouble free service. Specifically for close contact heating enabling precise heat conduction. Cast Aluminum heaters are machined to fine limits and complex patterns are achieved. They can be produced to your specifications or drawings, alternatively, against your sample. MATRUSREE offers CAST-IN band heaters with liquid and/or air-cooling functions. Liquid cooling incorporates tubing formed to a specific shape and casted as part of the heater assembly creating a passage for processing water or heat transfer solutions to dissipate the heat. Air-cooling incorporates numerous fins casted to the O.D. surface of the band. Construction: The heat sources for MATRUSREE’s CAST-IN heaters are tubular heating elements. They can be formed into endless configurations to Accommodate any practical CAST-IN heater shape or formed and casted in and around machine component parts such as fluid transfer pipes, valves, reducers, tees, elbows, and other special assemblies requiring localized heat. The sheath material is Stainless Steel and heater diameter will vary depending on CAST-IN heater design. Aluminum is the predominant alloy used for CAST-IN heaters. Brass is used when the operating temperature required exceeds those of Aluminum. Also recommended for heated platens on molding presses as Bronze can withstand more pounds per square inch of pressure. Features: Habitually, liquid cooled Cast-In Heaters have been the more frequently employed method of controlling the melt temperature of extrusion barrels. There is no doubt about the effectiveness and speed of liquid cooled castings in removing heat from the extrusion process. However, there are some drawbacks that primarily relate to maintenance-associated issues. Air Cooled Cast-In Heaters are virtually maintenance free and therefore, when properly installed and applied, have the capability to far outlast their liquid cooled counterparts. Since cooling tubes are not used, the possibility of breakage, cracking or becoming clogged with brine or mineral deposits is not a concern. Additionally, Air Cooled Cast-In Heaters do not require an expensive cooling tower or heat exchange system, extensive plumbing systems and labor for installation. These factors along with the benefit of being maintenance free make MATRUSREE’s Air Cooled Cast-In Heaters an economical and practical source for your extrusion heating and cooling application. In certain instances where air-cooling alone will not sufficiently cool the process, liquid cooling tubes can be cast into the heater as well to maximize BTU removal