CONSTANT PRESSURE VALVE, AND ALARM VALVE STATION AND SPRINKLER SYSTEM COMPRISING SAME
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United States of America Patent
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Issued Date -
Jun 15, 2023
app pub date -
Jan 12, 2018
filing date -
Jan 12, 2017
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Abstract
The invention relates to a constant-pressure valve (45), in particular for an alarm valve station (100) of a sprinkler system (200), having a fluid inlet (16), a fluid outlet (15), a flow channel between the fluid inlet and the fluid outlet, and a control piston (3, 8) which is arranged in the flow channel and which is movable back and forth between a standby position and a triggering position and which has a first piston surface (S1) facing toward the flow channel and has a second piston surface (S2).
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