Coronavirus (COVID-19) Statement:

Vulcan Electric is closely monitoring the widespread impact of the coronavirus COVID-19. The health and well-being of our employees, community, customers and suppliers remain our top priority. We are following the guidance and directives of the Centers for Disease Control and other government agencies to ensure best practices and measures are taken. We continue our commitment to serve our customers during these difficult circumstances. We are managing our product manufacturing and laboratory calibration operations to ensure the best possible continued service to our many customers in food processing, beverage, packaging, pharmaceutical, laboratory, and other critical industries. Should any changes to operating conditions occur, we will provide updates to our customers and partners as situations arise.

Preweld Heaters

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  • Rugged tubular heater construction
  • Clamp-on design makes installation easy
  • Use wherever preweld heating is needed

Vulcan Preweld Heaters are specially designed units that utilize our Tubular Heater construction. They are designed as clamp-on assemblies to provide localized preheating for welding processes. Rugged mounting brackets are provided for placement of the heater over studs on the parent metal.

  • Rugged alloy sheath fully annealed to facilitate bending to slightly curved surfaces
  • Heater is flattened on one side to increase contact surface
  • Premium grade magnesium oxide insulation imbeds the resistance wire coil for optimum heat transfer
  • High-temperature nickel chromium resistance wire
  • Termination is designed to fit 3 wire ground type twist lock plug
  • Standard and custom options available
  • Shipbuilding Industry
  • Heavy Equipment and Machinery
  • Construction and Steel Structures
  • Containment Welding
  • Tank Welding

Models and Options


240 Volt 277 Volt Watts Length Approx. Wt.
Model Model . in. (mm) lb (kg)
PH-38B1 2000 30 762 2.2 1.0
PH-38B2 2000 30 762 2.2 1.0
Construction Details:
Heater Tube: 300 series stainless steel – fully annealed
Flattened on bottom to increase surface contact
Hairpin shape- Length is overall hairpin dimension
Hairpin legs are 2.5″ (63.5 mm) center to center
Brackets provided for contact mounting
Termination: Designed to fit 3 wire ground type twist lock female plug
Custom: Custom lengths, watts, and volts are available


Option Code Description
EB4  Moisture Resistant Enclosure
EB7  Explosion Resistant Enclosure
WX  Special Wattage
VX  Special Voltage
HX  Special Heater Length

Thermal Engineering For Your Industry

We engineer solutions for complex requirements, used in a broad range of industries and applications.