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Pre-action valve
Pre-action fire sprinkler system in that water is not normally contained within the pipes. Pre-action sprinkler systems restain water with an electrically operated valve, known as a pre-action valve.

Wet type alarm valve
Alarm valve is magnet sensing clapper check valve with flanged & grooved type design, which ensures positive water flow for alarm operation and is designed for vertical installation in wet pipe sprinkler system.

UL/FM Valves
1. Alarm Valve Paradises Safety First Policy is also implemented in apartment buildings and offices. The alarm valve is one of the parts that fulfill the policy, and it detects the flow of water inside the pipe with automatic alarm system and activates the alarm with electric signal when the fire breaks out in apartment buildings or offices (Water Motor Gong Type is available). The alarm valve is comprised of alarm switch or retarting chamber (pressure switch), pressure meter, and other accessories piping components. Paradise thoroughly conducts internal pressure test, performance test, and appearance inspection on alarm valves and also has them inspected by a state inspection agency (case by case) before delivery. 2. Pre-Action & Deluge Valve Paradise Preaction and deluge valves are designed to minimize the friction loss inside and inner parts such as clapper are made of cast bronze to other excellent corrosion and pressure resistance.