What are requirements for Nozzle as per SOLAS ?


  1. Every ship which is required under these rules to be provided with fire pumps operated by power shall be provided with nozzle of 12 millimeter, 16 millimeters, 19 millimeters in diameter or as near thereto in diameter as possible.  Nozzles larger in diameter may be provided if the requirements of these rules relating to the provision of water for fire fighting purposes are otherwise complied with. 
  2. For machinery spaces and exterior location the diameter of the nozzles shall be such as to obtain the maximum possible discharge from the minimum number of jets of water and at the pressure required under these rules from the smallest fire pump permitted by clause (c) (1) of sub-rule 1 of rule 58 provided that the diameter of the nozzles shall not be greater than 19 millimeters
  3. For accommodation and service space the diameter of the nozzles shall not be required to be greater than 12 millimeters
  4. Every such nozzle shall be capable of producing a water spray suitable for extinguishing oil fires and a plain water jet and shall incorporate a shut-off facility. 

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