P Series — Optimizing tube-to-tube sheet welding for heat exchangers

Manufacturers in the power generation, HVAC, petrochemical and food and beverage industries need ruggedness, quality and ease-of-use in a tube-to-tube sheet welding gun — the P Series is designed to exceed expectations on all counts.

Lightweight for greater portability and easier use. High productivity and weld visibility from water-cooled gas shroud. A simplified mechanism with fewer moving parts for added reliability and ease of maintenance.


  • Titanium gas shrouds
  • Mechanical expanding mandrel (on Model P550 only)
  • X-Y Cross Slide (on Model P550 only)
  • ID bore welding
  • box header applications
  • 25-foot extension cables

Available Diameter Ranges:


Diameter Range (in)

Diameter Range (mm)


0.625 - 1.50

16 - 38


0.625 - 3.500

16 - 87

Recommended Power Supplies:

P300 — Precision Welding in a Portable System

Download Datasheet: click here

Bulit for the high-volume task of welding tubes-to-tube sheets in heat exchanger applications.

P Series — demonstration video