RPV Nut and Washer Centering Tool 

Features: 

The Preferred Engineering Centering Tool is used to center RPV Nut/Washers on the RPV Flange prior to head set. The Centering Tool is designed to enable safe transport of the RPV head with pre-loaded nut/washers as the RPV head is lowered the Centering Tools engage the Studs and allow the washer and nut to be deposited onto the stud while the tool remains safely inside the nut.  

Benefits: 

• Anodized aluminum and stainless steel body make for easy decontamination.  

• Cuts Critical Path time and reduces Dose by eliminating manual installation of washers and nuts in the cavity.