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Recent content by AlisonM

  1. AlisonM

    Deluge Nozzle Pressure

    NFPA 15 section 8.1.2 states "Minimum operating pressure of any nozzle protecting outdoor hazards shall be 20 PSI (1.4 bar)." Whilst NFPA 15:A8.1.2 states "The minimum operating pressure is required for proper pattern development and to overcome the effects of wind. For nozzles with orifices of...

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