John Blue DP-687-P (Poly) Diaphragm Pump 1/4"F it resists abrasive wear

it resists abrasive wear

It includes a directional control unit with pressure regulating valve

2" x 2" Threaded "Bottom Drain" EPDM Tank Flange

3390-0076 Unloader Valve - 3 Port

Manual spray controls (cable controls not available)

John Blue DP-687-P (Poly) Diaphragm Pump 1/4"F it resists abrasive wearThe John Blue DP 687 P Poly Diaphragm Pump is a high flow commercial pump suited for a wide range of low pressure applications, including gardening, liquid transfer, and powering large 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. With a high flow rate of