QZ和QHD系列水下泵

QZ series submersible axial flow pump, QHD series submersible mixed-flow pumps are widely used in industry and agriculture conveying water, urban water supply, sewerage and water transfer project with mild. Leak-proof protection QZ, QHD series pump with leak-proof protection sensors. When the oil chamber, the electrical junction box cavity, or by water leakage, the sensor alarm or shut down, and retain the fault signal. Overheating protection device Submersible motor winding with thermal protector, when the temperature exceeds the requirement, send a signal or shut down. Steering From the motor at the top of view, leaves on the clockwise rotation.