INSTALLER: PLEASE LEAVE THIS MANUAL FOR THE OWNER’S USE.Series 1580 In-Line MountedCentrifugal Fire PumpsDESCRIPTIONThe Series 1580 Inline Centrifugal Fire Pump is a closecoupled pump which features – high efficiency, ruggedconstruction, and in-line mounting. These features makeinstallation, operation and service easy to perform.OPERATIONAL LIMITSUnless special provisions have been made for your pump byAC Fire Pump Systems, the operational limits for Series 1580Pumps are as follows:MAXIMUM WORKING PRESSUREListed on pump nameplate.SEAL OPERATING LIMITSPACKINGPH Limitations 7-9; Temperature Range 0 to +200°FFor use on open or closed systems which require a largeamount of makeup water, as well as systems which aresubjected to widely varying chemical conditions and solidsbuildup.INSTRUCTION MANUALAC2516REVISION B