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 By Pass 
 
The function of the fire pump by-pass is to supply water to the fire protection system if the pump is taked out of service, does not start or something gets lodged in the pump. The by-pass needs to be arrange in a manner that allows water to flow through the by-pass while the fire pump suction and discharge control valve are closed.

Smoothflow offers custom made By Pass Arrangement for Diesel engine driven Hydrant and Sprinkler Pumps according to requriements.