The most common application of high-speed water spray systems:
Transformers, oil-filled power plant equipment.
Turbo generators and other oil boilers, and fuel extinguishing tanks.
Fires involving flammable liquids with a flash point below 65°C (150°C)
These 60°C systems are also sometimes used in power plants, coal transporters, cable tunnels, etc.
Oil boilers, fuel extinguishing tanks.