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Reg. 114
END PLATES

 

Strengthening of Flat End Plate at Manhole

a) In the End Plates of Lancashire Boiler type, the mudhole in the lower part of the front end plate shall be fitted with a flanged riveted strengthening ring, the thickness of the flat portion of which shall be not less than (1.5T + 1/8 inch) where T equals the thickness of the end plate in inches.
b) In boilers 7 ft. 6 inches diameter and above, the mudhole frame shall be fitted with a peak to reinforce the portion of the end plate between and below the furnaces, and this peak shall be securely riveted thereto with rivets of similar pitch to the remainder of the frame.
c) In all cases the front end plate gusset stays below the furnaces shall be placed as closely as possible to the mudhole frame.
d) Where flat end plates are flanged for connection to the shell, the inside radius of flanging shall be not less than 1.75 times the plate thickness, with a minimum of 1½ inches.

 
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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