Production introduction
A portable foam eductor is a critical firefighting device designed to proportionally mix water with foam concentrate to generate effective fire-suppressing foam. This compact, lightweight tool is widely used in industrial, municipal, and aviation firefighting scenarios where rapid deployment and versatility are essential. By converting water into a foam solution, portable eductors enhance fire suppression efficiency, particularly for Class B fires involving flammable liquids like gasoline, oil, and solvents. Below is a detailed exploration of its design, operation, applications, and advantages.
Portable foam eductors are engineered for simplicity and durability, typically constructed from corrosion-resistant materials such as aluminum, brass, or stainless steel. Their key components include:
Venturi Nozzle: The core of the eductor, which creates a vacuum to draw foam concentrate from a storage container (e.g., a pail or drum) into the water stream.
Metering Valve: Adjusts the foam concentrate flow rate to achieve the desired induction ratio (e.g., 1%, 3%, or 6%).
Inlet and Outlet Fittings: Compatible with standard firefighting hoses (e.g., 1.5" or 2.5" couplings) for seamless integration into existing systems.
Pick-Up Tube: A flexible hose connected to the foam concentrate source, ensuring consistent suction even during movement.
Check Valve: Prevents backflow of foam solution into the water supply line.
The compact design allows firefighters to carry the eductor directly to the fire scene, reducing setup time compared to fixed-installation systems.
Product specification
|
Model Number |
PHF/A |
|
Working Pressure |
0.7-1.0MPa |
|
Flow Rate |
240 LPM @ 0.7MPa 360 LPM@ 1.0MPa |
|
Connecting Size |
2.5" |
|
Foam Solution Ratio |
1% - 6% (adjustable) |
FAQ
Q: What is a portable foam eductor?
A: A portable foam eductor is a firefighting device that proportionally mixes water with foam concentrate to generate fire-suppressing foam, designed for rapid deployment in Class B fires (flammable liquids).
Q: How does a foam eductor work?
A: It uses the Venturi effect: water flows through a constricted nozzle, creating a vacuum that draws foam concentrate from a storage container into the water stream via a pick-up tube.
Q: What is the typical induction ratio range?
A: Most eductors offer adjustable ratios (e.g., 1%, 3%, or 6%) to match fire types (e.g., 1% for hydrocarbons, 6% for polar solvents).
Q: What materials are commonly used in construction?
A: Aluminum alloy, brass, and stainless steel for durability and corrosion resistance.
Q: What is the working pressure range?
A: Typically 0.7–1.4 MPa (100–200 PSI), depending on the model.