Skid based pump, gear reducer, and an inverter-duty AC motor. Max. flow: 8.1GPM @ 1450RPM. Metallic head material: 316L stainless steel. Power requirements: 230/460 volts, 1.6 amps, 60Hz, 3 phase. Pump head inlet: 1"NPT, outlet: 1 1/2"NPT. Includes strainer, back pressure valve, flow calibration column, and pulsation dampener.