Page 24 - TPP Boilers Dynamic Ecatalogue

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BOILER HEADERS

Boiler Headers form an important part of all types of boilers. Steam from

the generating tubes is collected in boiler headers which are therefore

always under pressure. This pressure may vary from 300 psi to 2000 psi.

Since headers are always under pressure, the utmost care is taken by us

while fabricating them. Depending on the generating capacity of the boiler

the header sizes fabricated by us vary from 100 mm to 600 mm NB. The

stubs of various sizes are very carefully welded to the main body of the

header to provide the desired openings from the boiler headers.

Bevelling and weld preparation of stubs duly tack-welded to the main body

of the boiler header are rst shown to Chief Inspector of Boilers for his

approval and once again the stubs fully welded with main body are shown

to Chief Inspector of Boilers under hydraulic pressure, varying from 1000 to

3000 psi as required by the speci cations. The Boiler headers are stamped

by Chief Inspector of Boilers before they leave our manufacturing plant. We

also weld skubolets and weldolets in place of stubs.

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