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Selection of Temperature rating for ordinary hazard (57°C to 77°C)?

Question asked by Ashik Pandikasala on Sep 20, 2017
Latest reply on Sep 23, 2017 by nocivus

As per NFPA 13, Table 6.2.5.1. Temperature range for ordinary hazard is between 57°C to 77°C. What is the criteria to select between 57°C and 68°C sprinkler temperature rating for ordinary hazard?

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