Name of water pump: 50ZB26-4Q Name of water pump: engine-power direct centrifugal pump Engine model: 168F Max. output: 4kW(5.5HP)/r/min Water outlet diameter 50mm(2〞) Capacity 25m/h Head 26m Rotating speed: 3600r/min Efficiency 48% Critical NPSH 4m Suction Height 6m Suction Time 180sec Weight: 20kg