Especially produced for municipalities water treatment systems and big scale factories. The working steps of filters and softeners are made of a pilot control and group of full pass valves. Diaphragm valves can be operated both hydraulic and pneumatic.It has timer, flow and pressure control types.ABS AD treatment systems without human control, makes regeneration automatically due to programmed time, capacity or pressure difference.Tank body is epoxy coated steal. Tandem kinds able to give treated water for 24 hour. To obtain better filtration, it has 6 layered mineral bed.