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:: Process Immersion Heaters ::
 
Industrial Immersion Process Heaters:
MATRUSREE offers you the most complete selection of quality engineered and built heaters extending from basic products for liquid immersion heating to highly engineered process circulating heating systems including power and temperature control instrumentation. Your every need has been estimated in the variety of designs and large selection of standard physical sizes, watt densities (watts/in2) and electrical ratings available. Electric Process heaters are the most efficient method for heating water, light to heavy oils, heat transfer fluids, air and other gases, and for generating superheated steam.

Depending upon the sheath material some corrosive solutions may be heated as well. We understand not every process heating application can be solved with one of our standard products. But it is our engineering talent and vast application knowledge that provide us a winning combination for solving specific problems with the right process heater and/or system. Our solutions help our customers and create new opportunities for Matrusree.

Matrusree believes that if we are going to be your supplier tomorrow- we've got to roll up our sleeves and take care of your requirements today! MATRUSREE ELECTRO HEATS Designs and Manufactures Industrial immersion Heaters that set the industry Standard for excellence.

Matrusree manufactures many a variety of process heaters containing various materials, shapes and wide range of wattage numbers. So here we try to explain you about our product's features one by one.
Screw Plug Immersion Heaters:
Designs consist of tubular heating elements formed into a hairpin, and a thermowell for a thermostat sensing bulb. Both are welded or silver brazed to the screw plug depending upon the sheath and screw plug material. The number of heating elements varies from 1 to 3 depending on the screw plug size.
Construction Features:
  • Screw Plug- Brass Steel and Stainless Steel in 1", 1 1/4", 2" and 2 1/2" NPT sizes.
  • Sheath material-Copper, Steel, Incoloy and Stainless Steel.
  • Terminal Housing-Heater terminals are sealed against moisture and protected by a NEMA 1 general purpose housing. Moisture and explosion resistant housings are optional.
  • Temperature control-Optional single and double thermostats in a wide selection of temperature range available.
Typical Applications:
Copper Sheath:
  • Process water
  • Water with very weak chemical Solutions
  • Demineralized, deionized or pure water.
  • Hot water storage for washrooms.
  • Showers
  • Cleaning and rinsing parts
  • For freeze protection of cooling towers and sprinkler systems
  • And other aqueous solutions not corrosive to copper sheath.
  • Sheath temperatures to 350°F (177°C).
Incoloy Sheath:
  • Weak chemical solutions
  • Heating oils
  • Heating tar
  • Heating caustic soda
  • For detergent, alkaline solutions, molten salts
  • Demineralized, deionized or pure water (sheath passivation is recommended)
  • And other aqueous solutions not corrosive to Incoloy sheath.
  • Air, gas mixtures and super-heated steam.
  • Sheath temperatures to 1600°F (871°C).
Steel Sheath:
  • Fluid heat transfer media
  • Tar
  • High to low viscosity petroleum oils
  • Asphalt
  • Wax, paraffin
  • Degreasing solvents
  • Alcohol
  • Molten salt
  • And other solutions not corrosive to steel sheath.
  • Sheath temperatures to 750°F (399°C).
Construction:
Matrusree Band Heater (MBH) s utilize different types of top grade mica. The thickness of each mica layer is carefully selected to balance between the insulating characteristics of Mica and the ease of heat transfer from the resistance ribbon to the machine barrel.The resistance ribbon used in a MBH is not restricted to the capabilities of Nichrome wire. Different alloys are considered for different applications. The internal winding is carefully designed to ensure uniform heat distribution throughout the heater. To maximize the surface-to-surface contact, MBH are carefully rounded and formed to optimize the grip on a machine barrel. The external metallic protective sheath of a MBH is made of a special alloy, which expands less than the barrel when heated. This difference in thermal expansion makes the heater grip the barrel firmly once it is energized, and this improves heat transfer. Poor heat transfer acts like a throttle and makes The resistance element inside the heater function at elevated temperatures, which eventually leads to the premature failure of the heater. MBH s are made in different construction styles, clamping mechanisms, and terminal types. Holes, cutouts, slots, thermocouple or mounting brackets can be accommodated in the design.
Three of the most commonly used band heaters are:
For detailed information on the tubular elements used in Screw Plug Immersion Heaters ,refer Matrusree Tubular Heaters.
Wattage 0.5 to 100 kilowatts
Voltage Up to 600 volts, Single or 3 phase
Screw Plug size 1" to 3" NPT
Pressure rating Up to 300 PSIG
Screw Plug Material Carbon Steel, Various Stainless Steels, Brass, Bronze
Immersed length Up to 130 inches
Thermostat Description and Selection:
Thermostats are an optional feature on screw plug and flanged immersion heaters. This type of control perates by expansion and contraction of a liquid in response to temperature change. Liquid contained within he sensing bulb and capillary flexes a diaphragm, causing the opening and closing of a snap action switch. For eating applications the contacts are normally closed and open on temperature rise.
  • Do not use the thermostat as a power switch. Use some other means of disconnecting power to the heater for servicing. Thermostats are not a fail-safe device. Use an approved high temperature limit control and/or pressure limit control for safe operation.
Any voltage Single Phase Heater:
When the heater amperage exceeds the maximum amperage rating of the thermostat.Use a Single Pole-Single Throw (SPST) thermostat wired in series with the holding coil of a magnetic contactor or mercury relay (pilot duty).
Three Phase Heater:
when heater voltage and/or amperage exceeds maximum ratings of the thermostat. Use a Double Pole-Single Throw (DPST) thermostat wired in series with the holding coil of a magnetic contactor or mercury relay (pilot duty).
Self-Contained Immersion Heater:
This immersion heater is specifically designed for Commercial dishwashers and sterilizing equipment. However, due to the unique construction characteristics of these heaters, they are readily adaptable for use in other water heating applications. The heating elements are prewired to a Definite Purpose contactor, thermostat and high limit cutout. The thermowell is located at the top of the element bundle for fast shut-off response, preventing overheating due to low water level conditions.
  • 2" NPT Brass screw plug
  • Three IncoloyŽ 800 tubular elements
  • Thermostat- 60°F (15°C) to 250°F (120°C) range
  • Over-temperature cutout with manual reset
  • Internal Definite Purpose contactor with 120V holding coil
  • NEMA 4 housing (Moisture resistant)
  • Optional clamping nut, flat washer and gasket for mounting in thin wall tanks with a 2 3/8" (60 mm) diameter opening
Flanged Immersion Heaters:
Flanged immersion heaters consist of hairpin bent tubular elements welded or brazed into a flange and provided with wiring boxes for electrical connections. Flange heaters are installed by bolting to a matching flange welded to the tank wall or nozzle. A wide selection of flange sizes, kilowatt ratings, voltages, terminal housings and sheath materials makes these heaters ideal for all types of heating applications.

Flanged immersion heaters are one of the most widely used methods for heating liquids (such as water, oil, heat transfer fluid and corrosive solutions). Designed for use in tanks and pressurized vessels, they are easy to install and maintain to provide heat for many processes. The direct immersion method is energy efficient and easily monitored and controlled.

These through-the-side immersion heaters utilize standard pipe flanges ranging from 3" to 14" in diameter to support high tank pressures of liquids. They are installed through a matching companion flange, obtainable from local industrial supply houses, to the tank wall. A wide selection of watt densities, heating outputs and flange sizes and ratings make this an excellent heater for all tanks, vats or irregularly shaped vessels.
Standard Features:
  • Hot Water Storage Tanks
  • Warming Equipment
  • Preheating All Grades of Oil
  • Food Processing Equipment
  • Cleaning and Rinsing Tanks
  • Heat Transfer Systems
  • Process Air Equipment
  • Boiler Equipment
  • Freeze Protection of any Fluid
The catalog items have the following features, making them suitable for many applications:
  • 150-lb forged steel or 316stainless steel flanges
  • IncoloyŽ 800, 316 stainless steel, steel or copper elements
  • 1/2" OD thermowell for a 3/8" diameter sensing bulb
Flanged Immersion Heater Specifications
Wattage: 0.5 to 800 kilowatts
Voltage: Up to 600 volts, Single or 3 phase
Flange size: ANSI up to 24 Inch & Custom Sizes
Pressure rating: Up to 1500 PSIG
Flange Material: Carbon Steel, Various Stainless Steels, Incoloy
Immersed length: Up to 144 inches
Sheath Materials: Refer to Heater Element Sheath Material Options
Construction
Flanged Immersion Heaters are constructed with tubular heating elements that have a compacted MgO powder insulation to insure excellent dielectric strength and heat transfer properties. To maintain the integrity of this insulation after the elements are formed, the hairpin bends are spanked in specially designed dies to re-compact the MgO powder. The elements are then TIG welded or Silver Brazed to a pipe flange and pressure tested. Electrical wiring is enclosed in a protective housing.

All heaters must pass the following factory tests prior to shipment:

  • Resistance test- to verify wattage
  • Insulation test- to measure leakage current resistance
  • High voltage test- to "proof-test" the insulation against grounds and short circuits
  • Hydrostatic or air pressure testing- to leak proof test all welding of the elements to the flange
Branch Circuit Wiring:
  • Match your process to the most suitable heater alloy sheath material. See Section 16 of this catalog for the recommended sheath materials for many common materials.
  • Do not exceed the maximum allowable heater watt density (w/in2) and recommended operating temperature for the material being heated.
  • Select the proper terminal enclosure to protect the heater wiring and provide safety to personnel and equipment.
  • On large tanks, use several smaller KW rated heaters rather than one large heater for uniform heat and watt density distribution.
Watt Density
Element Watt Density is the wattage dissipated per square inch of the element sheath surface and is calculated with the following formula.

For a particular application element watt density will govern element sheath temperature. Factors to consider when choosing a suitable watt density are:

  • Many materials are heat sensitive and can decompose or be damaged if the element is running too hot.
  • Air and other gases that are poor conductors of heat require watt densities matched to the velocity of the gas flow to prevent element overheating.
  • Mineral deposits when heating hard water and cleaning solutions can build up on the element sheath, acting as a heat insulator and raising the internal element temperature. If these deposits cannot be periodically removed, use a lower watt density element to increase heater life expectancy.
Sheath Material Selection:
CORROSION.

In addition to selecting a sheath material that is friendly with the heated medium, other factors that affect corrosion need to be considered.
  • The temperature of the corrodent. As temperature increases the degree of corrosion increases. The element temperature is higher than the material it is heating, which should also be considered.
  • The degree of aeration to which a corrodent is exposed. Stagnant conditions can deprive the stainless steels of oxygen, which is required to maintain their corrosive resistant surface.
  • Velocity of the corrodent.Increased velocity can increase the corrosion rate. Many materials are heat sensitive and can decompose or be damaged if the element is running too hot.
Sheath Materials:
  • IncoloyŽ 800- A Nickel (30-35%), Chromium (19-23%), Iron alloy. The high nickel content of this alloy contributes to its resistance to scaling and corrosion. Used in Air heating and immersion heating of potable water and other liquids that are not corrosive to an IncoloyŽ 800 sheath.
  • Low Carbon Steel- Applications include fluid heat transfer media, tar, high to low viscosity petroleum oils, asphalt, wax, molten salt, and other solutions not corrosive to a steel sheath.
  • Copper- Mainly used in clean water heating for washrooms, showers, rinse tanks and freeze protection of storage tanks.
  • 316 Stainless Steel- A Chromium (16-18%), Nickel (11-14%), Ferrous Alloy with Molybdenum (2-3%) added to improve corrosion resistance in certain environments, especially those that would tend to cause pitting due to the presence of chlorides. Applications include deionized water.
  • 316L Stainless Steel- A Chromium (16-18%), Nickel(10-14%), Ferrous alloy with Molybdenum (2-3%) With carbon percentage slightly less than 316 SS is used in most marine applications.
  • 304 Stainless Steel- A Chromium (18-20%), Nickel (8-11%), Ferrous Alloy used in the food industry, sterilizing solutions, air heating and many organic and inorganic chemicals.
  • 321 Stainless Steel- A Chromium (17-20%), Nickel (9-13%), Ferrous Alloy modified with the addition of titanium to prevent carbide precipitation and the resulting intergranular corrosion that can take place in certain mediums when operating in the 800- 1200°F (427-649°C) temperature range.
Surface Treatments:
Flanged Immersion Heater surfaces in contact with the material being heated can be Passivated or electro-polished to improve their resistance to corrosion.
Passivation:
Passivation process of cleaning stainless steel tanks involves cleaning with sodium hydroxide and citric acid followed by nitric acid (up to 20% at 120 °F) and a complete water rinse. This process will restore the film, remove metal particles, dirt, and welding-generated compounds (e.g. oxides).

In the context of corrosion, passivation is the spontaneous formation of a hard non-reactive surface film that inhibits further corrosion. This layer is usually an oxide or nitride that is a few atoms thick.

Electro-Polishing:
Its an electrochemical process that removes surface imperfections and contaminants, enhancing the corrosion resisting ability of the stainless steels. The resultant surface is clean, smooth and bright. Many medical and food applications require this finish.
Fluid Flow Control:
Temperature Control:
THERMOSTAT TYPE:
Thermostats are an optional feature for flanged immersion heaters. This type of control operates by expansion and contraction of a liquid in response to temperature change. Liquid contained within the sensing bulb and capillary flexes a diaphragm causing the opening and closing of a snap action switch. For heating applications the contacts are normally closed, and open on temperature rise.
THERMOCOUPLE TYPE:
Type J or Type K thermocouples can be supplied for process temperature or over-temperature control. Type J is reliable and accurate for temperatures up to 1000°F (537.8°C). Type K should be used for higher temperatures. For measuring process temperatures, the thermocouple can be mounted in a thermowell in the center of the element bundle. Note that a location somewhere away from the heater may give a more accurate measurement of process temperature.

For over-temperature protection, the thermocouple is usually attached to one of the elements and any unusual rise in element temperature would shut the heater down. This thermocouple may also be mounted in a thermowell, which is then attached to one of the heating elements if desired. This protects the thermocouple from the solution being heated and allows you to replace it without removing the heater, but does increase its response time.
Lead Wires on One End:
Lead Wires On One End are available on any clamping or construction variation. A suitable lead termination for small band heaters.
Installation:
  1. Immersion heaters should be positioned to insure they are completely covered with the liquid they are heating. However, do not position the unit too low in structures where sludge buildup could cover it. Either of these conditions could cause overheating and subsequent premature failure of the elements.
  2. Heated section should start sufficiently inside tank to assure good heat transfer.
  3. Install adequate controls and safety devices to prevent buildup of temperature and/or pressure.
  4. Make sure gasket surface is clean and dry before seating the heater.
  5. Do not operate heater at a voltage in excess of that stamped on the heater. A heater can be run at a reduced voltage, remembering that this will decrease the heater's output wattage.
  6. A wiring diagram is supplied in the electrical enclosure and as required, circuits on the heater are labeled.
  7. All heater terminal connections should be wrench or screwdriver-tight with maximum torque consistent with terminal strength. To prevent twisting heater terminals when tightening connections, use backup wrench for counter torque. Periodically check that electrical connections are clean and tight.
  8. The electrical insulating material used in electric heaters is hygroscopic and may absorb moisture when subjected to a humid environment during shipping, while in storage or during long equipment shutdowns. This moisture may lower the insulation resistance enough to cause heater failure. A meg-ohmmeter should be used to check the insulation resistance before applying power to any questionable heater. If a moisture condition exists it can be corrected by baking the heater in an oven at approximately 350°F (176.7°C) until the moisture is expelled and the meg-ohms have risen to an acceptable level.
  9. For heaters supplied with an integral thermostat, this thermostat functions as a temperature control only and is not a failsafe device.
Vertical Loop - Low Profile Immersion Heaters:
Design Features:
  • Used on open top tanks for heating water, citrus juices, Plating tanks, oil tempering, salt baths and corrosive solutions
  • Low profile for minimum interference in open tank applications
  • Grounding terminal lug in housing
  • Cast iron NEMA 4 (moisture resistant) housing
  • Optional Passivation to remove particles of free iron from Stainless steel surfaces
Sanitizing Sink Immersion Heaters:
Design Features

  • Used for sterilization of water tanks in restaurants, taverns and laboratories
  • 60°-250°F thermostat with over-temperature cutout
  • 4 ft. cord set with polarized plug
  • Adjustable stainless steel mounting bracket
  • Made to customer specifications


This Heater is easy to use and simple to install. The heater consists of copper sheath Nickel plated elements, watt densities in the range of 40 to 50 W/in2, power ratings of 4 and 6 kW for 208 and 240 Volt. The main features of the heater include a 26 inch riser (unheated section) and an integrated temperature control for the range of 60 to 250F.
Over-the-Side:
Over-the-side immersion heaters are designed for vessels where through the side immersion heaters cannot be conveniently installed. These heaters are installed through the top of the vessel with the heated portion of the unit along the side or at the bottom of the tank. Natural circulation of the fluid inside the vessel allows for even distribution. Terminal houses or lead wires are provided for power connection.

These heaters are available with heating elements made of copper, steel, stainless steel, cast iron, Incoloy, titanium, and PFA coated. A wide selection of kilowatt ratings, shapes and mounting methods are available to suit many different types of applications.

The large variation in heating element material and shapes of over-the-side immersion heaters offers a wide selection in the application of these units. Water, oils, solvent, plating baths, salts and acids are some of the many liquids and viscous materials commonly heated with immersion heaters.

Over-the-side types permit portability, easy removal for cleaning of tanks and heaters, and ample working area within the tank when installed.
Design Features:
  • Lightweight and Portable
  • Easy Installation and Removal
  • Single or Three Phase Wiring
  • Copper Sheath and Riser (40 W/In2)
  • Steel Sheath and Riser (20 W/In2)
  • Stainless Steel Sheath and Riser (40 W/In2)
  • Incoloy Sheath and Riser (40 W/In2)
  • 36 and 48" Riser Heights
  • Moisture Resistant Terminal Enclosure
  • Thermowell
  • 4" Sludge Legs. Increases A dimension 3 1/2". Keeps Heated Section off Bottom of Tank.
Chemical Bath Immersion Heaters:
MATRUSREE Over-the-Side Chemical Bath Immersion Heaters offer a wide variety of sheath materials and heater configurations to cover the widest possible spectrum of chemical heating applications. From plain steel to TeflonŽ covered, MATRUSREE is sure to have the correct heater for even the most difficult solution. Built-in thermal overload protection prevents premature heater burnout in low liquid level conditions. This thermal protection also guards against a potentially hazardous situation should the heater be in close propinquity to combustibles such as a synthetic tank, or the medium being heated.
Design Features:
  • Heavy duty, long lasting construction
  • Standard thermal protection T1 replaceable, standard T2 resettable, optional
  • Fully grounded for safety
  • Vapor-tight polypropylene terminal enclosure
  • Standard 3 ft. flexible PVC liquid-tight conduits and leads
Typical Applications:
  • Aqueous and
  • Semi-aqueous cleaning
  • Evaporation tanks
  • Chemical etching
  • Chemical mixing
  • Phosphatizing
  • Rinse tanks
  • Anodizing
  • Pickling
  • Plating
  • Dyeing
Construction:
Chemical bath immersion heaters cam be manufactured in three different styles. They are:
TEFLON
FEATURES:

  • Low watt density for long service life
  • Non-contaminating .030 TeflonŽ covered stainless steel element
  • Lightweight, non-floating construction
  • Polypropylene guards (optional TeflonŽ guards for chromic acids or solutions exceeding 180°F)
Quartz:
FEATURES:

  • Replaceable element and quartz tube
  • Standard heater with polypropylene guard (optional TeflonŽ guards for chromic acids or solutions exceeding 180°F)
Metal Tube:
FEATURES:

  • Variety of materials including steel, SS 304, SS 316, and titanium for chemical construction
  • Rugged long lasting construction
Thermal Over-Temperature Protection:
The realities of any plating, cleaning, anodizing, etching or pickling operation are that something could go wrong such as:

  • An undetected tank leak
  • Undetected evaporation losses
  • Failure to refill the system

Any of these conditions creates a situation where the potential for fire or other hazard is increased. All Matrusree Over-the-Side TeflonŽ, quartz and metal tube heaters come equipped with a replaceable thermal fuse placed in a thermowell and positioned at the top of the heater's hot zone. When wired into the heater circuit, it will instantly cut power to the heater when the preset temperature is reached. If the heater is over 15 amp, the thermal fuse would be wired into the control relay circuit. Also available is the T2 bi-metal switch which would be wired into the control relay circuit and used with additional components to form a resettable system. We highly recommended the use of liquid level switches tied into control circuitry to provide a failsafe backup to the thermal fuse.
Teflon Coated Single Element Coil:
Compatible with most plating tank solutions; inert to acids, anodizing and pickling solutions up to 190°F (88°C).

Design Features:
  • 10 watts/in2 (1.6 watts/cm2) for long service life.
  • Non-contaminating TeflonŽ covered stainless steel elements.
  • T1 thermal fuse protection standard. T2 bi-metal switch optional.
  • Grounded internal metal element for safety.
  • UL listed, CSA certified.
  • Lightweight, non-floating construction.
  • Vapor-tight polypropylene terminal enclosure with universal mounting flange.
  • Standard 3 ft. flexible PVC liquid-tight conduit.
  • Polypropylene guards (optional TeflonŽ guards recommended for chromic acid or solutions exceeding 180°F or 82.2°C.)
  • Single phase only.
  • 120, 240, 480 volts standard as listed-other voltages available.
  • Longer and shorter vertical lengths available. Consult Matrusree
Teflon Coated Single Element L-Shaped Coil:
Compatible with most plating tank solutions; inert to acids, anodizing and pickling solutions up to 190°F (88°C).

Design Features:
  • Bottom design for even heating and varying liquid levels.
  • 10 watts/in2 (1.6 watts/cm2) for long service life.
  • Non-contaminating TeflonŽ covered stainless steel elements.
  • T1 thermal fuse protection standard. T2 bi-metal switch optional.
  • Grounded internal metal element for safety.
  • UL listed, CSA certified.
  • Lightweight, non-floating construction.
  • Vapor-tight polypropylene terminal enclosure with universal mounting flange.
  • Standard 3 ft. flexible PVC liquid-tight conduit.
  • Polypropylene guards (optional TeflonŽ guards recommended for chromic acid or solutions exceeding 180°F or 82.2°C.)
  • Single phase only.
  • 120, 240, 480 volts standard as listed-other voltages available.
  • Longer and shorter vertical lengths available. Consult Matrusree
Teflon Coated Single Element Round:
Compatible with most plating tank solutions; inert to acids, anodizing and pickling solutions up to 190°F (88°C).

Design Features:
  • Flat, low profile design.
  • 10 watts/in2 (1.6 watts/cm2) for long service life.
  • Non-contaminating TeflonŽ covered stainless steel elements.
  • T1 thermal fuse protection standard. T2 bi-metal switch optional.
  • Grounded internal metal element for safety.
  • UL listed, CSA certified.
  • Lightweight, non-floating construction.
  • Vapor-tight polypropylene terminal enclosure with universal mounting flange.
  • Standard 3 ft. flexible PVC liquid-tight conduit.
  • Polypropylene guards (optional TeflonŽ guards recommended for chromic acid or solutions exceeding 180°F or 82.2°C.)
  • Single phase only.
  • 120, 240, 480 volts standard as listed-other voltages available.
  • Longer and shorter vertical lengths available. Consult Matrusree.
Teflon Coated Single Element L-Shaped Round:
Compatible with most plating tank solutions; inert to acids, anodizing and pickling solutions up to 190°F (88°C).

Design Features:
  • Low profile bottom design for even heating and varying liquid levels.
  • 10 watts/in2 (1.6 watts/cm2) for long service life.
  • Non-contaminating TeflonŽ covered stainless steel elements.
  • T1 thermal fuse protection standard. T2 bi-metal switch optional.
  • Grounded internal metal element for safety.
  • UL listed, CSA certified.
  • Lightweight, non-floating construction.
  • Vapor-tight polypropylene terminal enclosure with universal mounting flange.
  • Standard 3 ft. flexible PVC liquid-tight conduit.
  • Polypropylene guards (optional TeflonŽ guards recommended for chromic acid or solutions exceeding 180°F or 82.2°C.)
  • Single phase only.
  • 120, 240, 480 volts standard as listed-other voltages available.
  • Longer and shorter vertical lengths available. Consult Matrusree.
Teflon Coated Three Element L-Shaped:
Friendly with most plating tank solutions; inert to acids, anodizing and pickling solutions up to 190°F (88°C).

Design Features:
  • Low profile bottom design for even heating and varying liquid levels.
  • 10 watts/in2 (1.6 watts/cm2) for long service life.
  • Non-contaminating TeflonŽ covered stainless steel elements.
  • T1 thermal fuse protection standard. T2 bi-metal switch optional.
  • Grounded internal metal element for safety.
  • UL listed, CSA certified.
  • Lightweight, non-floating construction.
  • Vapor-tight polypropylene terminal enclosure with universal mounting bracket.
  • Standard 3 ft. flexible PVC liquid-tight conduit.
  • Polypropylene guards (optional TeflonŽ guards recommended for chromic acid or solutions exceeding 180°F or 82.2°C.)
  • Standard three-phase wiring.
  • 240, 480 volts standard as listed-other voltages available.
  • Longer and shorter vertical lengths available. Consult Matrusree.
Teflon Coated Three Element Over-the-Side:
Compatible with most plating tank solutions; inert to acids, anodizing and pickling solutions up to190°F (88°C).

Design Features:
  • 10 watts/in2 (1.6 watts/cm2) for long service life.
  • Non-contaminating TeflonŽ covered stainless steel elements.
  • T1 thermal fuse protection standard. T2 bi-metal switch optional.
  • Grounded internal metal element for safety.
  • UL listed, CSA certified.
  • Lightweight, non-floating construction.
  • Vapor-tight polypropylene terminal enclosure with universal mounting bracket.
  • Standard 3 ft. flexible PVC liquid-tight conduit.
  • Polypropylene guards (optional TeflonŽ guards recommended for chromic acid or solutions exceeding 180°F or 82.2°C.)
  • Single phase for 120V, three-phase for 240V or 480V standard.
  • 120, 240, 480 volts standard as listed-other voltages available.
  • Longer lengths available. Consult Matrusree.
Teflon Coated Six Element Over-the-Side:
Friendly with most plating tank solutions; inert to acids, anodizing and pickling solutions up to 190°F (88°C).

Design Features:
  • 10 watts/in2 (1.6 watts/cm2) for long service life.
  • Non-contaminating TeflonŽ covered stainless steel elements.
  • T1 thermal fuse protection standard. T2 bi-metal switch optional.
  • Grounded internal metal element for safety.
  • UL listed, CSA certified.
  • Lightweight, non-floating construction.
  • Vapor-tight polypropylene terminal enclosure with universal mounting bracket.
  • Standard 3 ft. flexible PVC liquid-tight conduit.
  • Polypropylene guards (optional TeflonŽ guards recommended for chromic acid or solutions exceeding 180°F or 82.2°C.)
  • Single phase for 120V, three-phase for 240V or 480V standard.
  • 120, 240, 480 volts standard as listed-other voltages available.
  • Longer lengths available. Consult Matrusree.
TeflonŽ Nine Element Over-the-Side:
Compatible with most plating tank solutions; inert to acids, anodizing and pickling solutions up to 190°F (88°C).

Design Features:
  • o 10 watts/in2 (1.6 watts/cm2) for long service life.
  • Non-contaminating TeflonŽ covered stainless steel elements.
  • T1 thermal fuse protection standard. T2 bi-metal switch optional.
  • Grounded internal metal element for safety.
  • UL listed, CSA certified.
  • Lightweight, non-floating construction.
  • Vapor-tight polypropylene terminal enclosure with universal mounting bracket.
  • Standard 3 ft. flexible PVC liquid-tight conduit.
  • Polypropylene guards (optional TeflonŽ guards recommended for chromic acid or solutions exceeding 180°F or 82.2°C.)
  • Standard three-phase wiring.
  • 240, 480 volts standard as listed-other voltages available.
  • Longer lengths available. Consult Matrusree.
Quartz Single And Triple Tube Style:
For plating tanks, pickling and other acidic aqueous solutions.
Design Features:
  • 26 watts/in2 (4.0 watts/cm2) for long service life.
  • Heavy duty, long lasting construction.
  • T1 thermal fuse protection standard. T2 bi-metal switch optional.
  • Replaceable element(s) and quartz tube(s).
  • Grounded for safety.
  • UL listed, CSA certified.
  • Vapor-tight polypropylene terminal enclosure with universal mounting bracket.
  • Standard 3 ft. flexible PVC liquid-tight conduit.
  • Polypropylene guards (optional TeflonŽ guards recommended for chromic acid or solutions exceeding 200°F or 95.3°C.) The TeflonŽ guard is supplied with the high temperature complete assembly.
  • Standard design consists of three individual single phase heaters, which can be wired delta in the field to achieve a three phase balanced operating system. Individual elements are field replaceable.
  • 120, 240, 480 volts standard as listed-other voltages available.
  • Longer lengths available. Consult Matrusree.
Metal Single And Tripe Tube Style:
For plating tanks, rinse tanks and other acidic aqueous solutions

Design Features:
  • 18 and 35 watts/in2 (2.8 and 5.5 watts/cm2) for long service life.
  • Heavy duty, long lasting construction.
  • T1 thermal fuse protection standard. T2 bi-metal switch optional.
  • Grounded for safety.
  • UL listed except Plain Steel; all CSA certified.
  • Vapor-tight polypropylene terminal enclosure with universal mounting bracket.
  • Standard 3 ft. flexible PVC liquid-tight conduit.
  • Single phase standard; three phase available as an option.
  • 120, 240, 480 volts standard as listed-other voltages available.
  • Longer lengths available. Consult Matrusree.
Metal Single And triple Tube L-Shaped:
For plating tanks, rinse tanks and other non-sludging aqueous solutions

Design Features:
  • 35 watts/in2 (5.5 watts/cm2) for long service life.
  • Bottom mount design for even heating and varying solution levels.
  • Standard 2" sludge legs (longer available).
  • Heavy duty, long lasting construction.
  • T1 thermal fuse protection standard. T2 bi-metal switch optional.
  • Grounded for safety.
  • UL listed except Plain Steel; all CSA certified.
  • Vapor-tight polypropylene terminal enclosure.
  • Standard 3 ft. flexible PVC liquid-tight conduit.
  • Single phase standard; three phase available as an option.
  • 120, 240, 480 volts standard as listed-other voltages available.
  • Longer and shorter vertical lengths available. Consult Matrusree.
Triple Tube Vertical Stack L-Shape:
For plating tanks, rinse tanks and other non-sludging aqueous solutions.

Design Features:
  • 35 watts/in2 (5.5 watts/cm2) for long service life.
  • Space saving vertical configuration.
  • Bottom mount design for even heating and varying solution levels.
  • Standard 2" sludge legs (longer available).
  • Heavy duty, long lasting construction.
  • T1 thermal fuse protection standard. T2 bi-metal switch optional.
  • Grounded for safety.
  • Vapor-tight polypropylene terminal enclosure.
  • Standard 3 ft. flexible PVC liquid-tight conduit.
  • Three phase standard; single phase available as option.
  • 240, 480 volts standard as listed-other voltages available.
  • Longer and shorter vertical lengths available. Consult Matrusree.
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