Regulation 27
Steam Boilers, Feed Systems and Steam Piping Arrangements
of Merchant Shipping (Non-Convention Ships) Safety Regulations
Every steam boiler and unfired steam generator shall be provided with at least two safety valves of adequate capacity provided that the Certifying Authority may, having regard to the output or any other features of any steam boiler or unfired steam generator, permit only one safety valve to be fitted if satisfied that it is adequately protected against overpressure. (2) Every oil-fired steam boiler which is intended to operate without manual supervision shall have safety arrangements which will shut off the fuel supply and give an alarm in the case of low water level, air supply failure or flame failure. (3) The Certifying Authority shall give special consideration to steam boiler installations to ensure that feed systems, monitoring devices, and safety provisions are adequate in all respects to ensure the safety of boilers, steam pressure vessels and steam piping arrangements.