4.9 Heat exposure [6.9]
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Assembly - IMO Resolution A.800(19) – Revised Guidelines for Approval of Sprinkler Systems Equivalent to that Referred to in SOLAS Regulation II-2/12 – (Adopted on 23 November 1995) - Appendix 1 - Component Manufacturing Standards for Water Mist Nozzles - 4 Water Mist Nozzle Requirements - 4.9 Heat exposure [6.9]

4.9 Heat exposure [6.9]

4.9.1 Glass bulb nozzles (see 5.7.1 )

 There should be no damage to the glass bulb element when the nozzle is tested by the method specified in 5.7.1.

4.9.2 All uncoated nozzles (see 5.7.2 )

 Nozzles should withstand exposure to increased ambient temperature without evidence of weakness or failure, when tested by the method specified in 5.7.2.

4.9.3 Coated nozzles (see 5.7.3 )

 In addition to meeting the requirement of 5.7.2 in an uncoated version, coated nozzles should withstand exposure to ambient temperatures without evidence of weakness or failure of the coating, when tested by the method specified in 5.7.3.


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