Overview
A low expansion branch pipe foam nozzle is a firefighting tool that is used to generate low expansion foam. The nozzle typically consists of a handle, a valve, and a foam generator that produces foam by mixing air and foam concentrate. Low expansion foam is a type of firefighting foam that has a low expansion ratio of less than 20:1.
This type of foam is ideal for use in confined spaces or areas where ventilation is limited, as it can smother the flames and prevent the fire from spreading. The use of a low expansion branch pipe foam nozzle in firefighting operations can greatly enhance the effectiveness of fire extinguishing efforts, particularly in areas with limited access or where conventional methods are not effective.
It consists of gun barrel, hand wheel, gun body, ball valve, suction pipe and pipe tooth interface. Foam gun is commonly equipped in fire rescue teams and is the most commonly used low-expansion foam equipment. Foam gun is a portable fire-fighting equipment. It can be connected with the fire-fighting hose interface through the fire-fighting pressure and foam liquid to inhale air. , producing air bubbles.
How to use
1. The foam gun can be used when the fire system supplies 3% or 6% of various types of foam mixture; at this time, the ball valve should be closed.
2. The foam gun can also be used for self-priming foam liquid when the fire system supplies pressure water; at this time, the ball valve should be fully open.
3. The foam gun is equipped with a circular handwheel that is easy to operate and protect the gun. When using it, the operator should hold the handwheel of the gun tightly; at the same time, pay attention to the pressure of the water or mixed solution supplied to the gun. Pressure range; to avoid sudden impact or excessive pressure causing injury to the operator.
4. Try to follow the wind direction when spraying.
