1, Pump impellers are directly installed onto the motor axes, save space, easy to install, easy to maintain and repair; 2, We use imported mechanical seal as a standard configuration; 3, Pump sets cavitation protection tube. While the pump is working under the utmost pressurein, protection tube can reduce harm to pump from cavitation erosion and reduce noise and vibration; 4, A unique flexible air vent, it can ensure max efficiency of FV5; 5,Y2 series motors used, protetcion level: IP54/IP55(usually IP44). Insulation level is F(usually B); 6, SKF bearing; 7,2FV series use PTFE as sealing elementts that life cycle can be greatly extend; 8,Impeller: aluminum bronze or SS304 stainkess steel or SS316L 9,Optional materials of pump body: cast iron; SS304 stainless steel; SS316L; 10, Ultimate cacuum: 3.3KPa; 11,Working fluid closed cycle unit can be provided; 12, Pump can be configured with dual-use unit forms; 13, PLC automation control cabinet can be configured.