4th 1 25 mpa natural gas steam boilers
The First Revision to Boiler Safety Technical Supervision (4) Organic heat transfer material boilers with the rated thermal power less than (1) Steam boilers, p≤0.8MPa and V>50L (V is the normal design water volume, more than 600℃ and scoured by the gas directly; for the pressure components of and the rated working pressure of boilers […]