Auto series of pump is constituted with clean water pump, non-return valve and air-water separation room, which located on the upside of the pump body. 
During operating, it is no need to use foot valve, the only thing that you should do is just leave some water in the pump body. 
After a few minutes' running, the water will be sucked out relying on the pump body itself. 
They are particularly suitable for domestic applications such as supplying water from well, pool etc. 
It is also suitable for water pressure boosting, gardening and automatic water supplying if combined with other appliances. 

Construction 
Pump-Peripheral 
Pump Body: Cast Iron/Stainless Steel/Brass 
Front Cover: Cast Iron/Cast Iron with brass insert / Aluminum / Brass 
Impeller: Brass/Aluminum/PPO 
Mechanical Seal: Carbon/Ceramic/Stainless Steel 
Motor Housing: Alloy Aluminum 
Shaft: Carbon Steel/Stainless Steel/High Frequency Wedding Shaft 
Insulation: Class B / Class F 
Protection: IP44 / IP54 
Cooling: External Ventilation 
With thermal overload protector in single phase motor 

Operating Condition 
Liquid temperature up to 60C 
Ambient temperature up to 40C 
Max. Pressure: 10Bar 

WARRANTY: 1 Year