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SYSTEMS

Pre-action fire suppression systems for critical environments

Pre‑action fire suppression systems protect environments where accidental water discharge would pose unacceptable risk to assets, operations or collections.

These systems are typically specified in areas such as museums, pharmaceutical facilities, data‑sensitive environments and controlled storage areas, where water discharge would create operational issues, including cold rooms and temperature‑controlled spaces.

By combining fire detection confirmation with controlled sprinkler activation, pre‑action systems significantly reduce false discharge while maintaining effective fire protection. 

In single-interlock pre-action systems, a prior detection event allows the normally dry pipework to charge with water, reducing the delay associated with traditional dry pipe operation.

In double-interlock systems, water is released only when both a detection event and sprinkler head activation occur, providing an additional layer of control similar to a deluge configuration while retaining sprinkler-level precision.

Alpine Fire designs pre-action systems for pharmaceutical facilities, advanced manufacturing environments and high-value storage areas, balancing asset protection, life safety and compliance, supported by risk assessment, commissioning and ongoing maintenance across the full system lifecycle.

HOW WE PROTECT

Technical Capability

Alpine provide fire suppression solutions to meet any design or insurance specification.

 

Our systems have been designed to LPC BS EN 12845 and NFPA/FM standards, and we design to BS 5839 as a whole for detection, including BS 6266.

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