|
(a) These regulations cover electrically welded tubes made of steel
and intended for boiler, super heater and heat exchanger
(b) The
welded tubes conforming to other national or international
standard which are known to be commonly used as being suitable
for use as boiler, superheater or heat exchanger tubes and not
specifically prohibited by these regulations can also be used
provided such tubes satisfy the requirements of these
regulations and are certified as per these regulations:
Provided
that if the tubes are not hydraulically tested at the pressure
required under this regulations, the Inspecting Authority may
accept such tubes after witnessing hydraulic test at the
required pressure at the maker’s or fabricator’s works or
user’s premises
|
