J~S Machine & Valve Inc. performs thousands of stellite weld repairs/overlays every year. Our stellite welding processes include TIG (Tungsten Inert Gas), MIG and STICK (Shielded Metal Arc Welding).
Before and after pictures of a “wedge” out of a “24 inch 2500 pressure class main steam block valve.
In addition to overlays we are often called upon to rebuild base metal in valves or equipment to restore critical dimensions and fits including weld build up of damaged or pitted stems.
Before and after pictures of a “wedge” out of a “24 inch 2500 pressure class main steam block valve.
This is the full repair we engineered an attachment to one of our machines that allowed us to “single point machine” threads in the stud holes that we repaired.
Repair steps:
Pete Krolman "Inside Sales" ~ 417-825-3354