FloJet G57 Air-Operated Diaphragm Pump

The FloJet / Xylem G57 model G575215D is a reliable air-driven (pneumatic) diaphragm pump made for industrial, commercial, and chemical transfer applications. With a Santoprene diaphragm and polypropylene housing, it pumps up to 5.0 GPM (18.9 L/min), operates on 20–100 psi air supply, and features ½? liquid hose barb fittings and ¼? air inlet ports. Its stall-proof shuttle valve, radial seal design, and materials compatibility make it suitable for potable water, acids, alkalines, soaps, and more in challenging environments.