John Blue DP-74.1-GRI Diaphragm Pump

The John Blue DP-74.1-GRI Diaphragm Pump is a medium pressure pump with flow rates up to 7.4 gpm and pressures up to 580. The pump, pressure regulator and gearbox to attach to gas engine are included. It is a compact, lightweight machine suited for a wide range of low-pressure applications, including gardening, liquid transfer, and powering small sprayers and washers. From its pre-formed diaphragm material to its short crankshaft stroke, this pump is designed with longevity in mind, and its plastic coated components can withstand corrosion from most industrial and agricultural chemicals.