FACTORIES AND MACHINERY (STEAM BOILER AND
UNFIRED PRESSURE VESSEL)
Regulation 73. Safety valves padlock.
(1) An Inspector may require that one safety valve on every steam boiler and every unfired
pressure vessel shall be so padlocked that no alteration can be made to the blowing off pressure
while such safety valve is locked.
(2) Such precautions shall be observed as an Inspector shall direct to ensure that the key to such
padlock is retained by a responsible person.
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