Steam turbine repairs consist of receiving the equipment, taking digital photographs of the as received condition, pre-cleaning prior to entering the shop, disassembly, recording all critical measurements, non-destructive testing of all critical parts, Hydro test water jackets if required and developing a work scope.
All reusable parts are cleaned either by sand blasting, glass beading, pressure washing or hand cleaning. Parts are replaced as required, either manufactured by BO-GE Assembly or those from the customers stock. Rotating parts are balanced to well below API specifications and the unit is final assembled. Final assembly includes recording all dimensions, run-outs and clearances.
Pictures are taken throughout and provided to the customer upon completion of the repair along with all inspection reports and certificates in digital format via electronic mail.
Small turbines are test run on air to running speed for; 1. Mechanical integrity, 2. Vibration levels and 3. The over speed mechanism is tested through 3 trips.
Brush seal upgrades are provided for steam turbines. Many successful conversions have been made and customer testimonials are available.
Coppus, DeLaval, Elliott, Kuhnle Kopp & Kausch, Murray, Terry and Worthington are a few of the many steam turbines we service.