1.
No need to guide water, the maxi-mum self-priming is 5.48 meters, the lift height is 84 meters
2.
The inner wall of fluid contact parts is very smooth,the maxi-mum particle diameter allowed to pass is 3.2 mm. When pumping mud and impurities, there is little wear on the pump
3.
The head and flow can be adjusted freely through the valve opening