you need a uniform or relatively high system pressure is to protect the fire sprinkler system from in-rush of pressure or water hammer when the fire pump starts up automatically... is the function of this pump within the fire protection system?) As we progress through this paper, many of the benefits the JP provides within a fire sprinkler or standpipe system... statement you can make about a fire pump. There are specific installations that are manual rather than automatic. However they are rare. With the amount of information provided...