Message from
Chairman of Central Boilers Board


About Central Boilers
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

Reg. 145, Reg. 146
BOILER TUBES SUBJECT TO EXTERNAL PRESSURE

 

Steel and Wrought Iron Tubes

Both plain and stay smoke tubes may be made either of wrought iron or steel and may be electric-resistance-welded lap-welded or weldless.


Reg. 146
BOILER TUBES SUBJECT TO EXTERNAL PRESSURE

 

Fitting of Plain Tubes

a) Plain tubes shall be expanded at both ends. The expanding shall be parallel throughout the full thickness of the tube plate. Plain tubes may also be bell-mouthed, beaded, or welded at the gas inlet end.
b) Where stay tubes are not fitted, the ends of the tubes shall be beaded over at the fire box end and beaded or bell-mouthed at the other end. If bell-mouthed the tubes shall protrude not less than ¼ inch beyond the tube plate.
 
Back   Top
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