4.2 Nominal release temperatures [6.2] footnote
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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 - 4.2 Nominal release temperatures [6.2]1

4.2 Nominal release temperatures [6.2] footnote

  4.2.1 The nominal release temperatures of automatic glass bulb nozzles should be as indicated in Table 1.

Nominal Release Temperature

Table 1 - Nominal release temperature
GLASS BULB NOZZLES FUSIBLE ELEMENT NOZZLES
Nominal release tempreture (0C) Liquid color code Nominal release tempreture (0C) Frame color code +
57 orange 57 to 77 uncolored
68 red 80 to 107 white
79 yellow 121 to 149 red
93–100 green 163 to 191 blue
121–141 blue 204 to 246 green
163–182 mauve 260 to 343 orange
204–343 black    

  4.2.2 The nominal release temperatures of fusible automatic element nozzles should be specified in advance by the manufacturer and verified in accordance with 4.3. Nominal release temperatures should be within the ranges specified in Table 1.

  4.2.3 The nominal release temperature that is to be marked on the nozzle should be that determined when the nozzle is tested in accordance with 5.6.1, taking into account the specifications of 4.3.

Parent topic: 4 Water Mist Nozzle Requirements
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