RPV Flange Cleaner 


The Preferred Engineering RPV Flange Cleaner is a self-contained apparatus that cleans the flange surface with a carefully selected cleaning media. The cleaner is self-propelled and self-guided along the surface of the flange with minimal operator intervention. Using remote controls, the operator is able to minimize dose. 


  • Operation terminates if the cleaner motion stalls. 

  • Cleaning media is not harmful to sealing surfaces. 

  • Cleaner connected to a HEPA unit trapping contamination. 

  • Common control unit with the O-ring groove cleaner. 

  • Cleaning drums easily replaced.