This code is applicable to the pressure vessel and main steam and water pipe in steam boiler and thermodynamic system of fuel electric plant which is used for thermal power generation with rated steam pressure equal to or greater than 3.8MPa. The power generation boiler with rated steam pressure less than 3.8 MPa may be carried out as reference.
Supervision scope of this code:
a) Pressure parts, parts and connecting pieces of the boiler body;
b) Pipes within boiler scope;
c) Safety protection device and meter of boiler;
d) Boiler room;
e) Bearing structure of boiler;
f) Pressure vessel in thermodynamic system: high, low pressure heater, oxygen extractor and all kinds of flash vessel etc.;
g) Main steam line, main feed pipe, high and low temperature reheat steam pipe.
