The AQUAJETDP-505A/705A pumps are regarded as one of the best surface pumps for deep well in water priming. With two back to back impellers to gain good performance in suction and head output. It consists of two pumps connected in series, one is ejector pump and the other is centrifugal pump. The ejector pump is lowered in a 4" well and connected to the centrifugal pump body by two pipes. For working principle, please refer to the pipe connection below.
Usually, these pumps are used with a set of TANK-AUTO system include the tank, the pressure gauge, the pressure switch, the foot valve, etc. The TANK-AUTO system is another most significant merit of this pump, which make the pumps more convenient for using. These pumps are suitable for pumping clean water and chemical nonaggressive fluid. They are extremely reliable, economical to use, in domestic applications. To ensure adequate counter-pressure, it is always better to install a foot valve with a filter on the suction end. These pumps should be installed in a covered area, protected against the weather.

PUMP

Pump Body: Cast Iron 
Impeller: Brass/Techno-polymer 
Mechanical Seal: Carbon / Ceramic/ Stainless Steel

MOTOR

Single Phase 
Heavy Duty Continuous Work 
Motor Housing: Aluminum 
Shaft: Carbon Steel / Stainless Steel 
Insulation: Class B / Class F 
Protection: IP44 / IP54 
Cooling: External Ventilation