Can a deluge fire sprinkler system be activated by pressure changes in the system?

Yes, a deluge fire sprinkler system can be activated by pressure changes in the system. These systems typically use a valve that opens in response to a drop in pressure, which occurs when a fire is detected and water is released into the system. This allows water to flow to multiple sprinkler heads simultaneously, providing effective coverage for large areas. However, the activation mechanism may vary depending on the specific design and components of the system.