High Velocity Water System

Introduction : High velocity water spray systems are installed to extinguish fires involving liquids with flash points of 65°C or higher. Three principles of extinguishment are employed in the system that is emulsification, cooling and smothering. The result of applying these principles is to extinguish the fire within a few seconds.

This clause provides guidelines for the protection of the following :

• Transformers, oil filled equipment’s of power stations,
• Turbo-alternators and other,
• Oil fired boiler rooms, oil quenching tanks, and
• Cable vaults.