Incorporating a compressor into a fire engine to generate compressed air foam requires a few parts to support the compressor function.
Below are the components commonly found in CAFS and links to their basic descriptions.
Pilot Balance Valve
Air/Oil Separator
Minimum Pressure Valve
Heat Exchanger
Air Manifold
Air Check Valve
Water Check Valve
The Sump has two primary fuctions. The first, is the storage tank for the compressor hydraulic oil. The 2nd, is the first of 2 stages in the separation of the hot hydraulic oil and hot compressed air. The opposing screws type compressor requires hydraulic oil to keep the screws turning. As air is pulled in …
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