ASME Boiler and Pressure Vessel Committee, Subcommmittee on Power Boilers. ASME Boiler and Pressure Vessel Committee, Subcommittee on Welding. ASME boiler and pressure vessel code.. sec.I,. Power boilers. ASME boiler and pressure vessel code.. sec.VII,. Recommended rules for care power boilers. ASME boiler and pressure vessel code .. Sec.IV,. Heating boiler. ASME boiler and pressure vessel code.. sec.III,Division 1,. appendices. ASME boiler and pressure vessel code.. sec.VIII,Division 1,. Pressure vessels.