4.15 Resistance to heat (see 5.14 ) [6.15]
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 - 4.15 Resistance to heat (see 5.14) [6.15]

4.15 Resistance to heat (see 5.14 ) [6.15]

 Open nozzles should be sufficiently resistant to high temperatures when tested in accordance with 5.14. After exposure, the nozzle should not show:

  • .1 visual breakage or deformation,

  • .2 a change in flow constant K of more than 5%, and

  • .3 no changes in the discharge characteristics of the water distribution test (see 4.4.2) exceeding 5%.


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