CEN/TC 23
Transportable gas cylinders
CEN/TC 47
CEN/TC 54
Unfired pressure vessels
CEN/TC 57
Central heating boilers
CEN/TC 58
Safety and control devices for gas burners and gas-burning appliances
CEN/TC 69
Industrial valves
CEN/TC 70
Manual means of fire fighting equipment
CEN/TC 74
Flanges and their joints
CEN/TC 79
CEN/TC 121
Welding
CEN/TC 131
CEN/TC 132
Aluminium and aluminium alloys
CEN/TC 133
Copper and copper alloys
CEN/TC 138
Non-destructive testing
CEN/TC 155
Plastics piping systems and ducting systems
CEN/TC 181
Dedicated liquefied petroleum gas appliances
CEN/TC 182
Refrigerating systems, safety and environmental requirements
CEN/TC 185
CEN/TC 190
CEN/TC 194
Utensils in contact with food
CEN/TC 210
GRP tanks and vessels
CEN/TC 235
Gas pressure regulators and associated safety devices for use in gas transmission and distribution
CEN/TC 237
Gas meters
CEN/TC 267
Industrial piping and pipelines
CEN/TC 268
Cryogenic vessels
CEN/TC 269
Shell and water-tube boilers
CEN/TC 286
Liquefied petroleum gas equipment and accessories
CEN/TC 326
Gas supply for Natural Gas Vehicles (NVG)
CEN/TC 342
Metal hoses, hose assemblies, bellows and expansion joints
ECISS/TC 100
General issues
ECISS/TC 107
Steels for pressure purposes
ECISS/TC 110
Steel tubes, and iron and steel fittings
ECISS/TC 111
Steel castings and forgings