Steam Generator, well known as boiler is an equipment designed to boil liquid to steam. Steam is produced by means of transfer of heat to water and combustion, this is provided by an enclosed vessel acknowledged as a boiler. The functional steam or hot water under pressure is aimed at transferring the heat to a process. Heat is transferred to a process using water as a cheap medium. The volume of water upsurges about 1,600 times when it is boiled, the force produced is just about the similar as that of an explosive of gunpowder. At this point the boiler becomes really dangerous tools that has to be used with caution. Evaporation come about when a liquid is heated up to a vaporous phase.