HVWS (High Velocity Water Spray 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.