FACTORIES AND MACHINERY (STEAM BOILER AND
UNFIRED PRESSURE VESSEL)
Regulation 70. Boiler blow-down.
(1) Every steam boiler blow-down and scum pipe shall have a continuous fall from the valve to
the point of discharge.
(2) The discharge outlet of every steam boiler blow-down pipe shall be either visible to the
operator of the blow-down valve or led into a sump so arranged that there is no danger of injury to
(3) No blow-down pipe shall be bound fast in earth, concrete or brickwork.
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