Credits: ASME Guidelines
Important Codes:
A – FIELD ASSEMBLY OF POWER BOILERS
E – ELECTRIC BOILERS
H – HEATING BOILERS, STEEL PLATE OR CAST IRON SECTIONAL
HV – HEATING BOILER SAFETY VALVES
HLW – LINED POTABLE WATER HEATERS
M – MINIATURE BOILERS
N – NUCLEAR POWER PLANT COMPONENTS
NPT – NUCLEAR POWER PLANT COMPONENT PARTIALS
NA – NUCLEAR POWER PLANT INSTALLATION/ ASSEMBLY
NV – NUCLEAR POWER PLANT SAFETY VALVES
PP – PRESSURE PIPING
RP – REINFORCED PLASTIC PRESSURE VESSELS
RTP – REINFORCED THERMOSET PLASTIC CORROSION RESISTANT EQUIPMENT
S – POWER BOILERS
U,U2,U3 – PRESSURE VESSELS
UD – RUPTURE DISC DEVICES
UM – MINIATURE PRESSURE VESSELS
UV – PRESSURE VESSEL SAFETY VALVES
UV3 – HIGH PRESSURE VESSEL SAFETY VALVES
V – BOILER SAFETY VALVES