This unit is designed to separate sand and other solid material from irrigation water at flow rates between 300 to 800gpm. In good operation condition. Extras include: 4" inlet cone to accelerate inlet water velocity for low flow rates; pressure relief valve; air vent; inlet and outlet flanges; and, a 6" butterfly valve.
Price new for separator and all parts is about $13,000. Will consider reasonable offers.
See Yardney Water Filtration Systems website, for info on this unit.