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confidential
Pre-action Systems
Purposes:Use close head sprinklers to prevent false discharge of water into protected area.Typical protection: Computer rooms, data centre and Etc.
How it works:-Water charge into the pipes when two alarm signals were received (double interlock).-No discharge of water as the sprinkler head is still at close position.-Fire breaks the sprinkler head and water discharges.
confidential
confidential
confidential
confidential
confidential
confidential
confidential
confidential
confidential