Double Interlock Preaction System
DESCRIPTION
The operation of double interlock systems is similar to deluge systems except that automatic sprinklers are used. These systems require that both a “preceding” fire detection event, typically the activation of a heat or smoke detector, and an automatic sprinkler operation take place prior to the “action” of water introduction into the system’s piping. Activation of either the fire detectors alone, or sprinklers alone, without the concurrent operation of the other, will not allow water to enter the piping
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Key Points:
- Nominal Size : 50, 80, 100, 150 & 200 NB
- Maximum Working Pressure : 175 PSI
Fatiha Alam Semesta, PT. concern in fire protection system business sector with more than 20 years of experiences on fire protection system.
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