Regulation 28. Dampers.

                                    P.U.(A) 5/70

FACTORIES AND MACHINERY (STEAM BOILER AND

                   UNFIRED PRESSURE VESSEL)

                            REGULATIONS, 1970

                      PART II - STEAM BOILERS

Regulation 28. Dampers.

(1) No damper which may entirely close a flue or uptake shall be fitted to any steam boiler fired by

oil or pulverised fuel unless such damper is interlocked with the burners so that they cannot

function when the damper is closed.

(2) Where the provisions of paragraph (1) of this regulation are not satisfied means shall be

provided to prevent the damper closing more than ninety per centum of the area of the flue or

uptake.

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