Products Description
Foam Fire Nozzle
Foam Fire Nozzle is a firefighting device specifically designed to discharge foam solution (foam concentrate mixed with water and air) to suppress flammable liquid fires (Class B fires) or fires requiring a blanketing agent. These nozzles are commonly used in industrial, petrochemical, marine, and airport firefighting applications. It hase excellent for Class B fires (flammable liquids) and forms a film or blanket to suppress vapors and prevent re-ignition.
Can cover large areas quickly when used with monitors.
Products Parameters
|
Model |
QZ3.5/5(50mm,2'') |
|
Connection Norminal Diamter |
DN50 |
|
Rated Spray Pressure |
0.35MPa |
|
Rated Flux |
5L/S |
|
Spray Distance |
>25m |
FAQ
Q: How does a foam nozzle work?
Foam nozzles draw air into the foam solution as it exits the nozzle, producing an expanded foam blanket that smothers the fire and cools the fuel.
Q: What is the difference between aspirating and non-aspirating nozzles?
Aspirating nozzles generate air-filled foam with better expansion and are suitable for protein and fluoroprotein foams.
Non-aspirating nozzles produce less expanded foam and are typically used with AFFF and for fast knockdown.
Q: What are typical flow rates and pressures?
Flow rate: 200–1000+ L/min (varies by type and application)
Operating pressure: Usually 5–7 bar (varies by design)
Q: Can foam nozzles be used with monitors?
Yes. Foam nozzles can be mounted on fixed or portable fire monitors for high-capacity foam application.
Q: Do foam nozzles require maintenance?
Yes. Regular inspection, cleaning, and performance testing are required to ensure functionality and prevent blockages.