What type of systems should not exceed a pressure of 200 PSI when supplied?

Sprinklers and standpipes are designed to operate effectively within a certain pressure range, which typically should not exceed 200 PSI. These systems rely on a balance of flow and pressure to distribute water safely and effectively throughout a building or area during a fire emergency.

Exceeding this pressure can lead to several problems, including the risk of bursting pipes, damaging fittings, or creating excessive flow rates that compromise the system's ability to control a fire. A pressure above the recommended level can also hinder the proper operation of sprinkler heads and standpipe nozzles, which are calibrated to work effectively within those pressure parameters.

In contrast, while fire hydrants, hoses, and nozzles are also important components of fire suppression, they are designed to handle different pressure levels, and foam systems can operate within a broader range depending on the application and formulation of the foam. Therefore, maintaining a pressure limit of 200 PSI is specifically relevant to the operational safety and effectiveness of sprinkler and standpipe systems.