The pump lifts water by making use of water hammer action occurring when the water flow stops in the pipe in a moment.

It, which is also called "hydraulic pump", is simple in structure and easy in manufacture and, once installed, can be used for a long time.

It is available at any places with over 1 meter head of water and can lift water up to dozens of meters without electricity or fuel.

The pump has already been introduced by several units, profusely paying off.