||Reg. 377, Reg. 378
Hydraulic test of boilers for registration
Every boiler shall be hydraulically tested in the presence
of an Inspector.
Preparation for hydraulic tests
|The chest of all mountings
subject to the steam pressure shall be in place and shut
tight or blank flanged.
||The safety valves should invariably
be removed and the chest opening blank flanged.
||The attachment for the Inspectors
pressure gauge shall be in order.
||All doors shall be properly
jointed and tightened up. The boiler shall be completely
filled with water, care being taken to allow all air to
escape and, if possible, a preliminary test not exceeding
the working pressure of the boiler shall be taken before
the Inspectors visit, to test the tightness of the
||When a boiler is hydraulically
tested for the first time, it shall be entirely cleared
of lagging or brickwork; at subsequent tests the lagging
or brickwork, or portions thereof, shall be removed if
required by the Inspector.
Provided that the Inspector may, at his discretion, allow
the lagging and brick work to remain in situ, in case
of boilers where the covered parts have been fabricated
and tested before erection in position.