Page
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2 of 8
Document No.U087143
Date
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Oct/18/2019
FIGURE 1. Model FR-RES K4.9
OPERATION
The sprinkler assemblies fusible link is comprised of two link halves that are joined together with a thin layer of solder. When
the rated temperature is reached, the solder melts and the two link halves separate. This leads to the water flow to be
distributed on the affected fire area.
FIGURE 2. OPERATION PROCESS (The figure is for illustrative purposes only)
