First, purchasing of submersible pumps
We should pay attention to the model, flow and head when buying submersible pumps. The selection of the inappropriate specifications will not be able to get enough water flow and the efficiency of the unit cannot be played. In addition, you should find out the direction of rotation of the motor, certain types of submersible pumps forward and reverse can be water, but the amount of water in the reverse current, reverse the damage to the motor windings. To prevent the leakage of submersible deep well pumps in underwater work and result in electrical shock and it should be installed leakage protection switch.
8" CAST IRON PUMP
Second, the installation of submersible pump
In the installation of submersible pump, cable should be overhead and power lines should not be too long. Do not allow cable force when the unit is in the water, in order to avoid power line break. Submersible pumps do not sink into the mud, otherwise it will lead to poor heat and burn the motor windings.
Third, the use of deep well pumps
1. Try to avoid the boot at low pressures. Power supply voltage and rated voltage should not differ by 10%, because the too high voltage will cause the motor to overheat and burn out the winding, while the too low voltage will make the motor speed drop, such as less than 70% of the rated speed, start the centrifugal switch will be closed, resulting in the start winding power and heat for a long time and even burn the winding and capacitor. The rotor pump do not frequently switch the motor, this is because the back flow when the pump is stopped, to immediately boot will start the motor load, the starting current is too large and burn winding.
2. Do not let the submersable well pump overload in the long term, do not pump the water with large sediment, the running time in the pump dehydration should not be too long, so as to prevent the motor overheating and burning. Units in operation, the operator must be observed at any time whether the operating voltage and current values specified on the nameplate, do not meet the motor stops running, identify the cause and troubleshooting.
3. We have to check the motor frequently, such as cover cracks, rubber seal ring damage or failure should be promptly replaced or repaired, to prevent the entering water.
www.ruirongpump.com is one of the largest high and new technology enterprises in Guangdong Province, China, with large scale manufacturing of high quality stainless steel well submersible pumps and motors. The presence of a Submersible Pump Engineering Research and Test Center inside our company enables us to develop the newest and most advanced products for our customers.