QJ deep well submersible pump

1 QJDeep well submersible pumpsummary:

The QJ deep well submersible pump is a water lifting equipment that is directly connected to a motor and a water pump and operates underwater. It consists of a submersible pump, submersible motor, water supply pipe, cable, and starting protection device. It is suitable for extracting groundwater from deep wells and can also be used for water extraction projects such as rivers, reservoirs, and canals,QJ deep well submersible pumpMainly used for irrigation of farmland and water supply for humans and animals in high-altitude mountainous areas, it can also be used for drainage in cities, factories, railways, mines, and construction sites.

IIQJDeep well submersible pumpTerms of Use

1. A three-phase AC power supply with a frequency of 50Hz and a rated voltage of 380 (tolerance+-5%).
2. The solid content (by mass) shall not exceed 0.01%.
3. The acidity pH value of the liquid being pumped is 6.5-8.5.
4. The temperature of the conveying medium shall not exceed 20 ℃.
5. The inlet of the water pump must be below the dynamic water level of 1m, but the diving depth should not exceed 70m above the static water level. The lower end of the electric pump should be at least 1m away from the bottom of the well.
6. Require the well to be upright, the well wall to be smooth, and the well pipes to not be staggered.

IIIQJDeep well submersible pumpStructural characteristics:

1TheQJThe series of submersible electric pumps for wells consists of two main parts: submersible three-phase asynchronous electric and water pump. The electric motor is directly connected to the upper pump body, and a reliable shaft seal device is installed at the upper end of the motor shaft, which can effectively prevent the exchange between the coolant inside the electric motor and the medium being pumped, ensuring the long-term safe and reliable operation of the water pump.
2The submersible pump is a single suction multi-stage vertical centrifugal pump; The submersible motor is a wet filled, vertical well submersible asynchronous motor. The motor and water pump are directly connected through a cylindrical coupling.
3The motor winding is made of nylon sheathed polyethylene water-resistant electromagnetic wire. Fill the motor chamber with clean water.
4The motor guide bearing adopts water lubricated bearings. The lower part of the motor does not have a thrust bearing that can withstand the axial force of the water pump. The thrust bearing of the high head water pump uses a nickel copper sector block, which is ground against an imported Philebus sliding plate to withstand the axial force of the water pump.

4QJDeep well submersible pumpModel meaning:

5Performance parameters of QJ deep well submersible pump：

VIStructural diagram of QJ deep well submersible pump：

7Installation diagram of QJ deep well submersible pump：

8QJDeep well submersible pumpPrecautions for use:

9 QJDeep well submersible pumpOrdering instructions:

1. Name of submersible pump (deep well submersible pump, submersible electric pump, submersible sewage pump, automatic mixing submersible pump, oil filled submersible pump);
2. Submersible pump models (QJ, QW, WQ, QY, QDX, JYWQ, JPWQ, AS);
2. Specification of submersible pump;
3. Submersible pump flow rate (8-260m3/h);
4. Submersible pump head (7-2000M);
5. Submersible pump power (0.55-250);
6. Submersible pumps use media such as river water, groundwater, clean water, liquids, sewage, pollutants, and can also be used for corrosive media;
7. Submersible pump casing material (aluminum alloy, cast iron);

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