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REGULATOR
Figure 6.3: Regulator and a standard symbol
A regulator is a pneumatic device that monitors the pressure level of
the air sent to downstream components. A regulator reduces the high
pressure from the tank and lowers it to a more manageable pressure.
Regulator’s work "on demand," meaning that instead of a constant
stream, they release pressurized air from the tank only when there is
a drop in pressure in another part of the system. Air pressured is too
low is uneconomical because it results in poor efficiency.
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