Curves
Following conditions are suitable for the performance curves shown bellow:
1 Curve tolerance is in conformity with ISO9906, Appendix A;
2 Motors used in tests are JB/T8680.1-1998 "Y2 series 3-phase asynchronous motor";
3 All curves are based on the measured value of motor 3 380V, under the constant speed of 2900
rpm or 2950rpm;
4 Test methods are in conformity with the stipulation about centrifugal pump, mixed-flow pump, axial
pump, axial pump and vortex pump test method in GB/T3216-1989;
o 5 The test medium is clear 20 C water without any solid impurity;
6 Pumps should not work if the flow is beyond the minimum or the maximum flow in the curves;
7 The motor power shall be adjusted if the viscosity or density of medium is different from water.

Operating Condition
·Clean, thin, non-flammable and explosive ,not containing the liquid with solid particle and fibe;
·Liquid temperature -20 C o +100 C;
·Ambient temperature: up to o +40 C;
·Altitude: up to 1000m;
·Max. pressure of the system is 10 bar.

Motor
TEFC motor, 2-pole;
Protection class:IP55;
Insulation class :F;
Standard voltage:50Hz 1×220V 3×380V