QJ series Deep Well Submersible Pumps Stainlees Steel 304 / 316 / 316L

Submersible Pump Deep Well Submersible pumps stainlees pumps

QJ series submersible pumps includng QJ deep well (borehole) submersible pumps, QJH stainless steel

submersible pumps , QJT bottom-suction submersible pumps and QJR hot water submersible pumps . 

These series of submersiable pumps are mainly used in drawing water from well , river, sea and lake, 

farmland/spray irrigaion, aquaculture, water supply or drainage system for cities, industrial and mine est-

ablishements, drawing water from hot spring, fountain projects and so on.

Material:

Non-conrrosive medium: Castiron HT200

Mildly or moderately corrosive: Stainless steel 304

Strongly corrosive: Stainless steel 316 or Stainless steel 316L

Use Conditions:

1. The three-phase power supply voltage deviation does not exceed ±5% and the frequency deviation is not 

    more than ±1%；

2. Motor cavity must be filled fullly with clean water during operation. 

3. The first stage impeller of the pump shall be immersed at least 2 meters below the dynamic water level. 

    The pump unit shall not be more than 70 meters below the static water level. The bottom of the motor

    shall not be less than 3 meters from the bottom of the well. 

4. Ensure the source of water is enough for pump operating continuously. 

5. If it is used in pool, should add guide tube fro pump motor in order to cooling.