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Reg. 334, Reg. 335, Reg. 336, Reg. 336 A

Attachment to Boiler

 



Wherever practicable fusible plugs shall be screwed into the boiler plates from the waterside. The screwed portion shall have threads of Whitworth form not more than 11 per inch.



Reg. 335
FEED VALVES

General

a) Feed check valves shall be of the non-return type.
b) Where the valve is not of screw-down non-return type a separate screw-down valve shall be provided.
c) The discharge from the feed check valve or from the internal feed pipe (if provided) shall be above low water level and in the case of Lancashire and Cornish boilers shall be at least 5 ft. beyond the fire bridge. Provided that the restriction aforesaid regarding the position of feed discharge level would not apply in the case of water tube boilers.
d) The discharge end of feed pipe shall be so located that it is not close to any riveted joint of the furnace plates or of the shell.



Reg. 336

Operating position

Feed check valves or regulating valves shall be so arranged as to enable them to be satisfactorily operated from the boiler floor.


Reg. 336 A

Requirements as to feed apparatus in certain cases

In the case of a battery of boilers connected to a common feed range, the requirements of regulation 281 in respect of the number of feed apparatus shall be considered to have been fulfilled provided a total supply of feed water, not less than the combined maximum continuous rating of all active boilers can be maintained even if any one of the sources of power supply should fail.
 
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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