PROGRESSIVE
DC Powered Single or 3-Phase Seam Welders

Progressive Single Phase, Full Wave, DC Seam Welders are specifically
designed for welding two halves of .0239 terne plate fuel tanks.
A gas-tight joint is accomplished at a weld speed of 180 inches per minute.
These versatile " new generation" seam welders are unequalled in performance:
  • Gas tight welds at speeds of over two hundred inches per minute.
  • Power factor of up to 95%
  • Saves over 60% of normal AC power demand.
  • Achieves full current amplitude in the first half cycle of the weld.
  • Equipped with patented constant contract collector ring type weld heads.
  • Produces practically no distortion in the weld area.
  • Greatly increases welding wheel life.

This particular Progressive Welder has been a leader in the design and production of top performance, technically advanced seam welders for over forty years. It has gained an industry-wide reputation for practical design, quality construction, durability and trouble-free service.

DC Transformer - Rectifier Power Supply
can be provided for single phase or three phase operation.