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Compressed Air Foam Systems (CAFS). 124 Air Metering Valves Check Valve Water Valve Compressed Air Water Pump Foam Tank Water Tank Pressure Gauges Screw.

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Presentation on theme: "Compressed Air Foam Systems (CAFS). 124 Air Metering Valves Check Valve Water Valve Compressed Air Water Pump Foam Tank Water Tank Pressure Gauges Screw."— Presentation transcript:

1 Compressed Air Foam Systems (CAFS)

2 124 Air Metering Valves Check Valve Water Valve Compressed Air Water Pump Foam Tank Water Tank Pressure Gauges Screw Air Compressor Foam Proportioner Compressed Air Foam System

3 125 CAFS Components Water pump Compressor Proportioner

4 126 Complete Systems Fire pump manufacturers offer full CAFS packages. Components are assembled, tested and calibrated as a complete system. Darley AutoCAFS

5 127 Capabilities –Superior absorption of heat –Quick knockdown –Light hose lines: (per 100 length) –1-1/2 Hose: Water lbs. CAFS - 35 lbs –2-1/2 Hose: Water lbs. CAFS - 84 lbs –Extended stream reach –Ability to make wet or dry foam Limitations –Tradition and knowledge base Compressed Air Foam Systems

6 128 CAFS Is A Versatile Tool Limited only by the users imagination –Think outside of the box –Be progressive –Be safe

7 129 Nozzles For CAFS Straight bore – CAFS bubble Variable pattern nozzle – foam solution

8 130 High energy system –Can be pumped higher and further than water at same psi due to lack of head pressure Lower foam concentrate % required –0.2% - 0.3% vs. 0.5% CAFS Characteristics

9 131 Small strong uniform bubbles Greater foam durability Low expansion system User can easily adjust –Expansion ratio –Drain time –Foam type CAFS Characteristics

10 132 Light weight hose –Less strain on firefighters Effect on hose –No water hammer –Reduced friction loss Hose kinks –Effective hose stream with kink CAFS Safety Characteristics

11 133 High volume air compressor –Air tools –Air bags –Tires –Drain hose Additional CAFS Benefits

12 134 Aerial CAFS Discharge

13 135 Thinking outside the box Bumper Turret CAFS Discharge

14 136 CAFS 5" Handline Way outside the box

15 137 Concentrate Delivery Systems Many different levels of technology are used to deliver todays water additives Fully understand the capabilities and limitations of each before deciding on a system


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