Foam Fire Extinguisher Trolley 200 L

Ca-Fire Protection Co.,Ltd is one of the most credible manufacturers and suppliers of foam fire extinguisher trolley 200 l in China. Welcome to wholesale custom made fire equipment products at competitive price from our factory. Contact us for more cheap products.

Core Components and Functions of Foam Fire Extinguisher Trolley 200 L
◆Foam storage tank(Foam Fire Extinguisher Trolley 200 L)
Design for normal pressure, used to store types of foam liquids such as water film-forming and fluoroprotein. The tank body is made of corrosion-resistant materials (such as PE or stainless steel), and a liquid filling port and liquid level observation window are provided at the top. As the fire extinguishing agent storage unit of the device, with a capacity of 200L, it can meet the needs of small and medium-sized fire scenes. 17.

◆Negative pressure proportional mixer
The core regulating component generates negative pressure through the Venturi tube structure, automatically drawing the foam liquid into the water flow at the preset ratio (3% or 6%). Typical models include PHF4 (flow rate 4L/S) or PHF8 (flow rate 8L/S), with a mixing accuracy error of ≤ 5% 25.

◆Spray Terminal (Foam Gun/Fire Extinguisher)
Standard equipment includes PQ4 or PQ8 type air foam guns. The mixture is foamed by inhaling air, with a range of ≥ 10 meters. The type of spray gun must strictly match the flow rate of the mixer (PHF4 with PQ4 gun, PHF8 with PQ8 gun) 24.

◆Mobile cart chassis
Heavy-duty steel frame structure equipped with 3 wheels (including 1 swivel wheel), with a load capacity of ≥ 500kg, capable of quickly transferring on uneven ground, with a steering flexibility radius of ≤ 2 meters.

Working principle and operation process
When water flows through the proportion mixer, the high-speed water flow at the nozzle forms a negative pressure area, which sucks the foam liquid from the storage tank → In the mixer, it mixes with water in a proportion (such as 6%) to form a foam mixture → It is transported through the pipeline to the foam gun → The foam gun sucks in air to foam → It is sprayed to cover the fire surface and isolate oxygen 56. Key parameters requirements:
Inlet pressure: 0.6 - 1.2 MPa (through the mixer), and 0.6 - 0.8 MPa when directly spraying water;
Stability of mixing ratio: When the pressure fluctuates by ±0.2 MPa, the deviation of the mixing ratio is ≤ 10%.

Typical Application Scenarios
1. Mobile Rescue Scenario

• Oil depot/chemical plant: Contain and extinguish fires in leaking storage tanks and pipelines;
• Garage/aircraft hangar: Combat vehicle fuel or electrical fires, replacing areas not covered by fixed systems;
• Tunnel/mall: Rapidly suppress initial liquid fires to prevent spread.

2. Collaborative Combat Mode

• Connect the water supply pipeline of the fire truck to expand the coverage of the fixed fire extinguishing system;
• Cooperate with portable pumps to establish temporary fire extinguishing points in areas without water sources.

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