System Activation: Viking F1 Single-Interlock Pneumatic Preaction System

A detailed animation of Viking’s F1 Single-Interlock Pneumatic Preaction System depicts all its system components and their interaction during the activation process. Viking supervised Single-Interlocked Preaction Systems utilize a Viking Deluge Valve and a pneumatically pressurized automatic sprinkler system. The system piping is pneumatically pressurized for supervisory purposes only. This feature serves to prevent undetected leaks. If the system piping or a sprinkler is damaged, supervisory pressure is reduced and a “low air” alarm is activated. Electrically controlled preaction systems require an electric solenoid valve controlled by an approved release control panel with a compatible detection system. In fire conditions, when the detection system operates, the system control panel energizes the solenoid valve open, causing the deluge valve to open. The sprinkler system fills with water. If any sprinklers have opened, water will flow from the system. If sprinklers have not opened, water will be in the sprinkler system piping when the sprinkler operates. A sprinkler head must open before water flows from the system. Single-Interlocked Preaction Systems are commonly used where the sprinkler system piping and/or sprinkler may be subject to damage. The most common applications are system applications where it is important to control accidental water discharge due to damaged sprinkler piping.
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About Viking
Viking is a global leader in the manufacture and distribution of innovative fire protection and life safety systems. For more than 100 years the company’s products and services have protected lives and property worldwide from the devastating effects of fire. For more information on Viking’s complete line of fire protection products and services, visit www.vikinggroupinc.com.
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