The GRACO FD2122 SaniForce 1590 is a 1.5-inch air-operated double diaphragm (AODD) pump designed for hygienic applications. It features a 316 stainless steel wetted section, stainless steel seats, Santoprene balls and diaphragms, and is engineered for heavy-duty performance in sanitary environments. Its intended use is to pump fluids with flow rates up to 100 gpm, making it suitable for food, beverage, pharmaceutical, and other industries requiring strict hygiene and reliability.