Directflo diaphragm pumps the fluid through the center of the pump and compressed air acts on the outside face of the diaphragms.
        
                    Unit of Measure
                    
               
        
            Specifications
                                                                                Brands | 
                                                                        N/A Directflo Northern Lights Industrial Supply | 
                                                                                Air Inlet Thread Size | 
                                                                        N/A 3/8 in | 
                                                                                Air Inlet Thread Type | 
                                                                        N/A National Pipe Taper Fuel (NPTF) | 
                                                                                Fluid Inlet Thread Size | 
                                                                        N/A 1/2 in | 
                                                                                Fluid Inlet Thread Type | 
                                                                        N/A National Pipe Taper Fuel (NPTF) | 
                                                                                Fluid Outlet Thread Size | 
                                                                        N/A 1/2 in | 
                                                                                Fluid Outlet Thread Type | 
                                                                        N/A National Pipe Taper Fuel (NPTF) | 
                                                                                Maximum Size Solid Suspension | 
                                                                        N/A 1/8 in | 
                                                                                Maximum Air Pressure | 
                                                                        N/A 115 psi18 bar | 
                                                                                Maximum Free Flow Rate | 
                                                                        N/A 11 gpm42 L/min | 
                                                                                Maximum Suction Lift | 
                                                                        N/A 26 ft | 
                                                                                Minimum Air Pressure | 
                                                                        N/A 20 psi1.5 bar | 
                                                                                Pressure Ratio | 
                                                                        N/A 1:1 | 
                                                                                Wetted Materials | 
                                                                        N/A Polypropolene Polytetrafluoroethylene (PTFE) Thermoplastic Elastomer (TPE) | 
                                                                                Fluid Handled | 
                                                                        N/A Antifreeze Solutions Diesel Exhaust Fluid (DEF) Oils Windshield Wash Solution |