Conventional air operated diaphragm pumps pump the fluid around the outside of the pump and compressed air acts on the inside face of the diaphragms.
        
                    Unit of Measure
                    
               
        
            Specifications
                                                                                Brands | 
                                                                        N/A Northern Lights Industrial Supply | 
                                                                                Pressure Ratio | 
                                                                        N/A 1:1 | 
                                                                                Air Inlet Thread Size | 
                                                                        N/A 1/4 in | 
                                                                                Air Inlet Thread Type | 
                                                                        N/A National Pipe Taper Fuel (NPTF) | 
                                                                                Fluid Inlet Thread Size | 
                                                                        N/A 1/4 in | 
                                                                                Fluid Inlet Thread Type | 
                                                                        N/A National Pipe Taper Fuel (NPTF) | 
                                                                                Fluid Outlet Thread Size | 
                                                                        N/A 1/4 in | 
                                                                                Fluid Outlet Thread Type | 
                                                                        N/A National Pipe Taper Fuel (NPTF) | 
                                                                                Maximum Air Pressure | 
                                                                        N/A 100 psi7 bar | 
                                                                                Maximum Free Flow Rate | 
                                                                        N/A 3 gpm11 L/min | 
                                                                                Maximum Suction Lift | 
                                                                        N/A 5 ft | 
                                                                                Minimum Air Pressure | 
                                                                        N/A 20 psi1.5 bar | 
                                                                                Wetted Materials | 
                                                                        N/A Polypropolene Polytetrafluoroethylene (PTFE) | 
                                                                                Capacity | 
                                                                        N/A 3 gal | 
                                                                                Material | 
                                                                        N/A Plastic | 
                                                                                Fluid Handled | 
                                                                        N/A Antifreeze Solutions Hydraulic Fluids Oils Windshield Wash Solution |