Regulation 47. Essential Fittings.

                                   P.U.(A) 5/70

FACTORIES AND MACHINERY (STEAM BOILER AND

                   UNFIRED PRESSURE VESSEL)

                           REGULATIONS, 1970

        PART III - UNFIRED PRESSURE VESSELS

Regulation 47. Essential Fittings.

(1) Every steam receiver shall be provided with-

(i) one or more safety valves;

(ii) a pressure gauge;

(iii) a stop valve; and

(iv) the manufacturer's or maker's nameplate.

(2) Every air receiver shall be provided with-

(i) one or more safety valves;

(ii) a pressure gauge;

(iii) a drain cock or valve; and

(iv) the manufacturer's or maker's nameplate.

(3) Every unfired pressure vessel (other than a steam receiver or an air receiver) shall be

provided with

(i) one or more safety valves:

Provided that a suitable rupture disc shall be provided in lieu thereof where it is

impracticable to provide a safety valve because-

(a) pressure fluctuations of an explosive character are to be encountered in the

unfired pressure vessel; or

(b) a safety valve would be gummed up owing to the nature of the working fluid;

or

(c) the working fluid is of a penetrating nature and a safety valve cannot be

maintained tight;

(ii) a pressure gauge; and

(iii) the manufacturer's or maker's nameplate.

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