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Boiler Mountings and Accessories

All boilers are fitted with mountings or accessories for the safety of the boiler and for complete control of process of steam generation. These components or elements function with the boiler as a whole and contribute their individual share in the task of steam generation.

i. Boiler Mountings

One category of such component units, primarily intended for safety of boiler, which are installed or mounted on the body of the boiler itself are known as boiler mountings. The safety and satisfactory working of boiler largely depends upon the reliability of various boiler mountings. In accordance with the Indian Boiler Regulations, the following mountings must be fitted to the boilers: two safety valves,a fusible plug, two water level indicators, a pressure gauge, a steam stop valve, a feed check valve, a blow off cock, an attachment for inspector’s test gauge, a man hole and a mud hole or sight hole.

ii. Boiler Accessories

Another category of components or elements are the auxiliary units, which are installed with the boilers. These auxiliary units are known as boiler accessories.They either help the boilers in their working or increase the efficiency of the boilers. The accessories attached to a modern boiler are: feed pump, feed water heater, air pre-heater, steam super heater and the draught equipment.

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