Certification Mark of Section VIII PRV (UV Stamp);
The Pressure Relief Valve (PRV) designed according to ASME Section VIII regulations will be stamped with the symbol “UV “.

Required Marks on Nameplate of ASME Section VIII Vessels;
Marking on the Nameplate of ASME Section VIII (“U” Stamp) Pressure Vessels must have at least Vessel information as in the picture below:
Certification Mark of ASME Section VIII Vessel (U Stamp);
Pressure Vessels designed and built according to ASME Section VIII regulations must be stamped with the symbol ” U “.
Certification Mark of ASME Section I PRV (“V” Stamp);
Pressure Relief Valve (PRV) designed in accordance with ASME Section I (Power boiler) requirements. Power Boiler must be stamped with the symbol ” V “. Therefore, when going to PRV, do not forget to watch the marking of stamp.