ASME Certification Mark

Section Description Stamp
Power Boilers S,A,E,M,PP,V
Rules for Construction of Nuclear
Power Plant Components
(Division 1, 2, 3)
N,NV,NPT,NA,N3
Heating Boilers H,HLW,HV
Pressure Vessels(Division 1, 2, 3) U,UV,UM,UD, U2,U3,UV3
Fiber-Reinforced Plastic Pressure Vessels RP
Rules for the Construction & Continued Service of Transport Tanks T,TV,TD