VALVE HOUSINGS RECONDITION

          •   Collection of valve housings
    •    Sandblast and chemical cleaning
    •    Chemical cleaning of cooling space
    •    Visual inspection
    •    Pressure test
    •    Grinding  of valve cage’s seat   for the abstraction
          of old material  
    •    Grinding in diameters   because deterioration
    •    Checking for the finding by any chance crack with acute   

               liquids (method DYE - CHECK) and welding        
    •    Recondition in the seat and in diameters
    •    Turning of lathe  
    •    Stellite in grooves 4 mm
    •    Final turning of lathe  in constructional dimensions base
          of drawing of constructor
    •    Rectify of seat
    •    Finally hydraulic test  8 kgr
    •    Tackling with the elements of our work shop