Page 169 - CITS - Fitter Trade Practical - Volume -2

FITTER - CITS

Ensure that the entire pipe is filled with sand.
Clamp one end of the pipe in a vice and protect the clamped portion of the pipe with lead or copper shims. (Fig 7)
Heat the area to be bent with oxy-acetylene torch evenly until it glows dull red. (Fig 8)

The bend area should not be overheated.
Pull down the pipe gently in the direction of the bend.
(Fig 9)
Take short pulls until the correct bend angle is reached. (Fig 10-1,2,3)
Check the bend radius with a template. (Fig 11)

Apply heat throughout the whole operation and overbend slightly and straighten out the final bend. (Fig 10-4,5)

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CITS : C G & M - Fitter - Exercise 86 - 88