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Reg. 173, Reg. 174
RIVETING

 

Riveting

a) Rivets shall be closed by hydraulic machinery wherever the design of the boiler permits; the rivets may be closed by hand or pneumatic hammer in position where hydraulic riveting is impracticable.
b) Rivets shall be of sufficient length to fill rivet holes and form sound and substantial heads. The heads shall be finished concentrically with the rivet shanks. Rivets shall be heated uniformly throughout their full length.
c) Drill pins shall not be used with such force as to distort the rivet holes. If the rivet holes are found not to be fair when the plates are bolted up for riveting the holes shall be reamed fair before the riveting is commenced.
d) For hydraulic riveting the pressure shall be the least necessary to ensure a tight joint, and only sufficient pressure shall be used to close the rivets properly and securely without indenting, buckling or otherwise damaging the plate. The rivets shall be allowed to shrink while under pressure from the riveting machine.



Reg. 174
RIVETING

 

Fullering and Caulking

All seams shall be fullered or caulked inside and outside and this shall be done in such a manner that the plates are not sprung or damaged.
 
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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