Tri-Volt distributor in South Carolina
Tri-Volt is one of MAHC's major industrial heating lines — band, cartridge, strip, immersion, circulation, duct and tubular heaters, plus the sensors that measure them.
What do you need to heat?
You don't have to begin with a part number. Tell us what you're heating and how the process needs to operate.
A Barrel, Nozzle, Die or Mold
Start with Tri-Volt band, cartridge, coil, strip or plate heaters, built around the diameter, width, voltage, wattage and lead arrangement your machine needs.
Worked barrel exampleA Tank or Liquid Process
Start with immersion or circulation heaters. The process fluid, operating temperature and allowable watt density matter more than the tank size alone.
Worked tank exampleMoving Air or Process Gas
Start with duct, tubular or finned heaters. Sizing depends on airflow and temperature rise more than almost anything else.
Replacing an Existing Heater
Send dimensions, electrical information, photos and any available part number — labels burn off and machine manufacturers disappear.
Cross-reference serviceThe breadth of the line
From a catalog replacement element to a formed custom assembly, this is what we quote most.
Band Heaters
Mica, ceramic and moisture-resistant constructions plus custom configurations for barrels, cylinders, nozzles and plastics machinery. For a replacement, send inside diameter, width, voltage, wattage, lead style, lead length, holes or notches and photos.
Cartridge, Coil, Strip & Plate
Cartridge and split cartridge heaters, coil heaters, mica strip and channel heaters, plate heaters and specialty elements for dies, molds and platens. Watt density matters here — we review the size, wattage and application rather than just matching dimensions.
Immersion & Circulation
Screw-plug, flanged, over-the-side and finned immersion heaters plus custom assemblies, and circulation heaters for processes where the fluid is moving through the heater rather than sitting in a tank.
Kettles, vats and CIP dutyAir, Duct & Tubular
Open-coil and tubular duct heaters, straight and formed tubular elements, finned tubular products and custom shapes formed around the geometry of the application.
The numbers behind the element
For a new application, the best place to start is the process itself: what are we heating, how much, from what temperature to what temperature, how quickly, and what electrical power is available?
- Heater sizing and wattage calculations
- Watt-density selection
- Immersion sizing — fluid, volume, starting and target temperature, heat-up time, voltage
- Circulation sizing — flow rate, inlet and outlet temperature, pressure
- Duct and air sizing — CFM, inlet and outlet temperature, duct dimensions, pressure drop
- Thermocouple selection and existing heater cross-referencing
Seven things that identify a heater
Sometimes the heater was custom from the beginning. Send what you have and we'll work toward a replacement.
Photos, Dimensions & Electrical
The complete heater with its leads or terminals and any markings; diameter, length, width, thickness and mounting dimensions; voltage, wattage and phase where applicable.
Application & Temperature
What the heater is heating and the normal process temperature. Both narrow the construction faster than any single dimension.
Old Part Number or Drawing
Even a partial number is useful, and a drawing — or a dimensioned sketch — settles the rest.
Equipment troubleshootingCustom Configurations
Developing new equipment or duplicating an unusual element? Send available space, material, temperature and lead requirements and we'll define the heater before quotation.
Tri-Volt heating FAQ
If the fluid sits in a tank, an immersion heater is the straightforward answer. If it's moving through a pipe or loop, a circulation heater in the flow path gives better control and heat transfer. The deciding numbers are flow rate, inlet and outlet temperature and pressure — send those and we'll size it.
Because it decides element life. A cartridge or immersion element built to the right dimensions but running too hot at the surface will scale, crust or fail from the inside out. We check the density against your media and operating temperature instead of matching the nameplate only.
Yes — formed tubular elements, special band geometries, non-standard terminations and mounting features are routine. A drawing is ideal, but photos plus dimensions and electrical data are usually enough for us to define the part.
Tell us what you're heating.
Part number, drawing, photo or process requirement — MAHC will size it and get the right Tri-Volt product quoted.
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