1. The pump consists of 4 part of submersible motor 、pump 、discharge pipe 、and switch . The motor is water-filled type. The chamber is fuller of clear water to cool the motor coil and lubricate the bearing, the voltage adjustor regulate the variable water temperature automatically.
2. The pump is single suction multi-stage centrifugal type.
3. the sand-proof construction comprises of labyrinth cap 、skeleton seal and seal.
4. The motor is hermetic type.
5. The stator coil utilizes high quality water-proof magnetic wire, sleeve material processes of the advantage of water lubrication anti-worn and stand-proof, the rotor is squirrel cage type.