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Reg. 435, Reg. 436, Reg. 437
SEAMLESS SHELL BOILERS

End Plates

The end plates shall comply with Regulation 408 or 412 according as they are dished or flat. When end plates are mechanically secured and welded to seamless shells as in earlier figure47 and 48 and the weld are stress-relieved, the pressure and other limitations specified in respect of Class II boilers in Regulation 416 shall not apply.



Reg. 436
SEAMLESS SHELL BOILERS

Manholes and other opening in the Shells

These shall comply with Regulation 407.




Reg. 437
SEAMLESS SHELL BOILERS

Mountings, Fittings and Connections (For all types of Electrode Boilers)

Mountings, fittings and connections shall comply with Regulation 281.

In the case of electrode boilers one means of indicating water level of the tubular water level gauge-glass type and one means of feeding the boiler shall suffice and the Safety Valves shall be of spring loaded type.

If an Electrode boiler is fitted with a magnetic valve, the said valve will be accepted in lieu of the second safety valve, provided the source of power supply to both the valve and the boiler is the same and both are operated by one single switch.

 
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Message from Chairman of Central Boilers Board About Central Boiler Board History of Indian Boiler Regulations Foreword Contents Chapter Wise Contents Regulation Wise List of Amendments
Indian Boilers Act 1923 Ibr Forms Home Search Help Contact Us