Approximately how long can a Water extinguisher last during use?

A water extinguisher typically has a discharge time of approximately 30 to 45 seconds. This duration allows sufficient time for the operator to effectively target the source of the fire, applying the water to cool the flames and prevent re-ignition. The design of these extinguishers takes into account the need for a balance between ease of handling and the ability to deliver an effective amount of water in a concentrated manner to suppress the flames.

Discharging water for more than this timeframe could result in a loss of pressure and effectiveness, making it crucial for operators to be aware of how long they can sustain the discharge to maximize their firefighting efforts. A duration less than the 30 to 45 seconds range might not provide enough time to tackle the fire adequately, while significantly exceeding this range could lead to an inefficiency in the use of the extinguisher and potentially compromise safety.