How long will a portable PKP extinguisher last?

How long will a portable PKP extinguisher last?

• A. Approximately 40 seconds
• B. Approximately 10-11 seconds of use
• C. Approximately 60 seconds
• D. Approximately 5 seconds

Answer: (B)

Portable PKP extinguishers are built for a quick knockdown, not long-lasting suppression. When full, they discharge a high-velocity stream and empty relatively fast—about ten seconds of use. That’s why the effective way to fight a fire with PKP is to deliver short, controlled bursts at the base of the flames, sweeping the area as you go, then reassess and retreat if the fire hasn’t been extinguished. The device isn’t designed to pour out extinguishing agent for a full minute or more, so the expected operational window is around 10 to 11 seconds.

Portable PKP extinguishers are built for a quick knockdown, not long-lasting suppression. When full, they discharge a high-velocity stream and empty relatively fast—about ten seconds of use. That’s why the effective way to fight a fire with PKP is to deliver short, controlled bursts at the base of the flames, sweeping the area as you go, then reassess and retreat if the fire hasn’t been extinguished. The device isn’t designed to pour out extinguishing agent for a full minute or more, so the expected operational window is around 10 to 11 seconds.