Model VXD Double-Interlocked Preaction System with Electric/Pneu-Lectric Release

Reference: Model-VXD-Double-Electric-Pneu-Lectric

Viking VXD Electric/Pneu-Lectric Double Interlocked Preaction Systems utilize a Viking deluge valve, pneumatic supervision of the automatic sprinkler system, and an electric detection system. The deluge valve release trim utilizes a normally closed electric solenoid valve controlled by an approved release control panel with two initiating circuits configured for “cross-zoned” operation. One initiating circuit is connected to the electric detection system; the other to a “low-air” supervisory switch.

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