MANUFACTURER & WHOLESALER TO THE FIRE INDUSTRY
MANUFACTURER & WHOLESALER TO THE FIRE INDUSTRY
When a sprinkler (1) opens, the discharging water lifts the alarm valve clapper (2) and flows through the alarm port (3) to the retard chamber (4). When the retard chamber is filled, water flows to the water motor alarm and/or the optional pressure switch (5) which signals an electric alarm bell (6).
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