PRODUCT DETAILS ENGLISHMETRIC Yamada® NDP-80BAC series is the flagship of the NDP line of Air Powered Double Diaphragm (AODD) pumps, providing a maximum flow rate of 214 gallons per minute. Pumps are available in aluminum, stainless steel (316), cast iron, and polypropylene construction, with a wide variety of diaphragm materials. Inlet (in) 3 Outlet (in) 3 Max Flow (gpm) 215.0 Max Temp 180 Max Solid (in) 13/32 Valve Type (in) 3/4 Air Motor Material Aluminum Body Material Aluminum Elastomer Material Neoprene