ASME Code

ASME has introduced a new Certification Mark with the 2011 Addenda to the Code. Please refer to ASME for the details (ASME-Homepage). All new applicants receive the Certification Mark this year.

Until December 31, 2012 the Code Symbol Stamps may still be used, but will be replaced by the new Certification Mark together with the designator letter "U", "S", "PP", etc. As of January 1st, 2013 the ASME Code Symbol Stamps may not be used any more. It is important to notice that the "ASME" Certification Mark with the designator has the same meaning and certifies Code compliance as the old Code Symbol Stamp did.

Below we have displayed both versions for your convenience.

 

Power Boilers - Section I 
tube Power Boilers
S
Power Boilers
pipe Power Boiler Assemblies
A
Power Boiler Assemblies
welder Electric Boilers
E
Electric Boilers
filler material Miniature Boilers
M
Miniature Boilers
pressure test Pressure Piping
PP
Pressure Piping
burst test Power Boiler Safety Valves
V
Power Boiler Safety Valves**
Heating Boilers - Section IV
h stamp Cast Iron Heating Boilers
H
Cast Iron Heating Boilers*
edition Heating Boilers
H
Heating Boilers, other
addenda Lined Potable Water Heaters
HLW
Lined Potable Water Heaters
appendix Heating Boilers Safety Valves
HV
Heating Boilers Safety Valves**
Pressure Vessels - Section VIII Division 1
interpretation Pressure Vessels
U
Pressure Vessels
flange Miniature Vessels
UM
Miniature Vessels*
loose flange Pressure Vessels Safety Valves
UV
Pressure Vessels Safety Valves**
opening Pressure Vessels Rupture Discs
UD
Pressure Vessels Rupture Discs**
Pressure Vessels - Section VIII Division 2
manhole Alternative Rules for Pressure Vessels
U2
Alternative Rules for Pressure Vessels
Pressure Vessels - Section VIII Division 3
asme code High Pressure Vessels
U3
High Pressure Vessels
inspection opening Safety Valves for High Pressure Vessels
 UV3
Safety Valves for High Pressure Vessels**
Reinforced Plastic Vessels - Section X 
u-stamp  Fiber-Reinforced Plastic Pressure Vessels
   RP
Fiber-Reinforced Plastic Pressure Vessels
Transport Tanks - Section XII 
t stamp Transport Tanks
T
Transport Tanks
tv stamp Tranport Tanks Safety Valves
TV
Tranport Tanks Safety Valves
td stamp Transport Tanks Pressure Relief Devices
TD
Transport Tanks Pressure Relief Devices**
Nuclear Stamps
n stamp Nuclear Components
N
Nuclear Components
npt stamp Nuclear Partials
NPT
Nuclear Partials
na stamp Nuclear Installation and Shop Assembly
NA
Nuclear Installation and Shop Assembly
nv stamp Nuclear Safety and Safety Relief Valves
NV
Nuclear Safety and Safety Relief Valves
n3 stamp Storage and Transport Containment of  Nuclear Fuel
N3
Storage and Transport Containment of Nuclear Fuel
Nuclear Certificates of Accreditation
  NS Nuclear Supports
  QSC Material Organization
National Board Inspection Code 
  R Repair and Alteration
  VR Repair of Safety Valves


*   Components not subject to Authorized Inspection, annual audit by the AIA
** Components not subject to Authorized Inspection, triennial audit by ASME

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