What is a wet standpipe system that automatically supplies the system demand called?

A wet standpipe system that automatically supplies the system demand is referred to as an automatic wet standpipe system. This type of system is designed to have water readily available and automatically delivered to the standpipe, allowing for immediate response to fire incidents without the need for manual intervention. This can significantly enhance the efficiency of firefighting efforts, as firefighters can access pressurized water quickly to suppress fires.

In contrast, an automatic dry system would utilize air pressure and would not contain water until needed, making it less effective for immediate fire response. Manual systems, whether dry or wet, require human operation to engage the water supply, which can delay response times and may not be as reliable in emergency scenarios where every second matters. Therefore, the automatic wet standpipe system is specifically designed for prompt and efficient operation in fire safety scenarios.