the release of which (from the open sprinklers) permits the water pressure to open a valve known as a dry pipe valve. The water then flows into the piping system and out the opened sprinklers. A ...

When heating occurs and fuses cause a sudden drop in air pressure, the sprinkler system opens each fire sprinkler valve and permits water to flow. Typically, these fire sprinkler valves are attached ...

Each system is built differently. Some systems have a drain near the sprinkler shutoff valve, and that can be in your ...