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Antifreeze suggestions in domestic hearth Sprinkler platforms examines using antifreeze ideas in residential sprinklers, and analyzes their effectiveness in controlling a hearth situation and assisting in containment. The ebook additionally investigates the potential for a large-scale ignition happening from strategies of various combos, and proposes the optimum ones for lowering flammability.
Antifreeze recommendations in domestic hearth Sprinkler platforms is designed for practitioners as a reference consultant for dealing with antifreeze recommendations in residential sprinkler platforms. Researchers operating in a similar box also will locate the e-book valuable.
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Antifreeze ideas in domestic hearth Sprinkler structures examines using antifreeze suggestions in residential sprinklers, and analyzes their effectiveness in controlling a fireplace situation and assisting in containment. The publication additionally investigates the potential of a large-scale ignition happening from strategies of various combinations, and proposes the optimum ones for decreasing flammability.
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Extra info for Antifreeze Solutions in Home Fire Sprinkler Systems
Thus, there is a need for alternative antifreeze solutions that are not currently permitted by NFPA 13. A listing standard for antifreeze solutions or other solutions that are introduced into sprinkler systems could encourage the development of alternative antifreeze solutions and help ensure that the solutions are appropriate for use in sprinkler systems. References 1. National Board of Fire Underwriters, NBFU Pamphlet No. 13: Standards of the National Board of Fire Underwriters for the Installation of Sprinkler Equipments as recommended by the National Fire Protection Association.
50% 60% Fig. 25 Heat of Combustion of Antifreeze per Solution Mass. Figure 25, above, shows that for a given solution concentration, a solution of propylene glycol will have a higher heat of combustion per unit of solution mass than a solution of glycerin. The table below shows the solution concentration by volume of propylene glycol and glycerin as a function of the solution heat of combustion. The table above indicates that a 42% solution of propylene glycol by volume has the same solution heat of combustion as a 50% solution of glycerin.
For certain test conditions, the increase in heat release rate resulting from the application of 55% glycerin solution exceeded the increase in heat release rate from the application of 50% glycerin solution by a factor of 10. A similar level of sensitivity was observed between 40% and 50% propylene glycol solutions, but not between 40% and 45% propylene glycol solutions. The results of the Scope B testing indicated that concentrations of propylene glycol not exceeding 40% by volume and concentrations of glycerin not exceeding 50% by volume have similar performance to water as compared to the UL 1626 fire control criteria.