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Reg. 304, Reg. 305, Reg. 306, Reg. 306 A

Lift

 
Safety valves shall be capable of being lifted a distance such that the area of the discharge edge shall not be less than the minimum aggregate area, A in Reg. 293.


Reg. 305

High and Low water Alarms

High and low water alarms shall be adjusted so that the alarm is sounded with the water level visible in the gauges.


Reg. 306

Final Settings

Each safety valve shall, before leaving the maker’s works be adjusted to blow-off at the specified pressure .


Reg. 306 A

Adjustment of safety valve set pressure

The set pressure of a safety valve may be adjusted using air or other gas as the test medium provided that the safety valve has been subjected previously to hydraulic test in accordance with the requirement of clause (a) of regulation 290.
 
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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