They are equipped with movable piston. The rule of operation is based on suction of the slurry to the pump by means of pistons move.
You are welcome to get acquainted with our other auctions (unique auger system, API threads, well filters). The item "SAND PUMP / 90-130mm Bailer / Auger System / Water well / Post hole / Drilling" is in sale since Wednesday, April 11, 2018. This item is in the category "Garden & Patio\Garden Hand Tools & Equipment\Post Hole Diggers & Augers". The seller is "drill_partner" and is located in Kramsk.
This item can be shipped to North, South, or Latin America, all countries in Europe.