Testing Pressure-Reducing Valves

BY BILL GUSTIN Every morning at shift change, firefighters throughout North America perform daily apparatus checks and routine maintenance on their equipment. A vital portion of an apparatus check involves operating the pump so that you can depend on it to get water. Generally, this involves engaging the pump, operating the primer, and fully opening every intake and discharge valve while their caps are in place. This "exercises" the valves and facilitates a check of discharge gauges. This is followed by closing the discharge valves and relieving the pressure by operating their respective bleeder valves. Valves are occasionally lubricated to ensure that they will operate easily. ...

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