Preweld

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

PREWELD HEATERS- TYPE PH

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.

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