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Reg. 519
F, Reg. 519 G, Reg. 519 H
STANDARD CONDITIONS FOR THE DESIGN AND CONSTRUCTION OF ECONOMISER, FEED PIPES, FEED HEATERS AND OTHER SIMILAR VESSELS

VALVES AND MOUNTINGS

(F) Non-return valves in return feed line
Economisers provided with means for heating the incoming feed by mixing it with hot water from the economiser outlet must have a non-return valve in the hot water return line.
 

Reg. 519 G
STANDARD CONDITIONS FOR THE DESIGN AND CONSTRUCTION OF ECONOMIZER, FEED PIPES, FEED HEATERS AND OTHER SIMILAR VESSELS

VALVES AND MOUNTINGS

Reserve Flues
 
In every case a reserve flue shall be provided for by passing the flue gases when no water is being fed to the boiler through the economizer where it is not integral with the boiler.
 

Reg. 519 H
STANDARD CONDITIONS FOR THE DESIGN AND CONSTRUCTION OF ECONOMIZER, FEED PIPES, FEED HEATERS AND OTHER SIMILAR VESSELS

VALVES AND MOUNTINGS

Explosion Doors
 
To relieve the economisers of excessive pressure accumulation due to internal explosion doors preferably of horizontally hinged ‘self-sealing’ type shall be fitted.
 
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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
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