It isn't necessary to remove the studs

Tools for most Westinghouse governor valves are in stock

Seats are welded with an orbital TIG process

We can take care of the preheat and PWHT as well

Welding the seat with orbital TIG process

View of the welded seat

Looking through the welding machine at the welded seat

View of a finish machined seat

Damage of this degree is not uncommon

Checking the progress on a BB222 seat

Blue checked after lapping

Valve seat after lapping and polishing

Building up the governor valve seat with an orbital TIG process

Weld prepping a steam line under steam chest necessary when replacing inserted GV seats

Another view of a welded seat

Turbine governor valves

Project Highlights