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Reg. 523, Reg. 523 A, Reg. 523 B
STANDARD CONDITIONS FOR THE DESIGN AND CONSTRUCTION OF ECONOMISER, FEED PIPES, FEED HEATERS AND OTHER SIMILAR VESSELS

FEED PIPES

Copper feed pipes
 
a) The standard conditions for material of construction and tests for copper pipes shall comply with Regulation 35.
b)

The maximum working pressure shall be determined by the following formula:-

W.P. = 60(t-3) Eqn.(123)
d

Where,

t = thickness in hundredths of an inch.
d = external diameter of the pipe in inches.

 


Reg. 523 A

STANDARD CONDITIONS FOR THE DESIGN AND CONSTRUCTION OF ECONOMISER, FEED PIPES, FEED HEATERS AND OTHER SIMILAR VESSELS

FEED PIPES

(a) Feed Heaters and similar vessels fitted to feed pipes
Standard requirements, materials of construction and allowable working pressure.

These shall comply with the requirements of Chapter I, II and III for riveted construction. If so welded construction, such vessels shall comply with the requirements of Chapter XII, provided that radiographic examination of welds may be waived, for pressures not exceeding 17.5 kg./cm.² (250 lbs./sq. in.). For parts of vessels of composite construction, the requirements of the appropriate regulations of the above Chapters shall be complied with as may be applicable to each such part.
 

Reg. 523 B
STANDARD CONDITIONS FOR THE DESIGN AND CONSTRUCTION OF ECONOMISER, FEED PIPES, FEED HEATERS AND OTHER SIMILAR VESSELS

FEED PIPES

(b) Working Pressure
 
Working pressure of all parts shall be determined by the appropriate formulae given in these regulations. Due consideration shall be given to the following additional points while calculating the stresses.

The stresses due to self-weight of vessels and its contents and any supper imposed vessel or other equipments, insulation and these due to static head, if any and pipes and other similar parts attached to the vessel.
 
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