The John Blue Medium Diaphragm Pumps are available in a three diaphragm design. These pumps are ideal for agriculture and industrial use including horticulture, lawn care, nursery, car wash, air blast orchard/vineyard and poultry houses. These Medium Pressure Diaphragm Pumps have various mounting options that make them convenient to mount on sprayers with a PTO drive or can be equipped with either gasoline, electric or hydraulic motors. All fluid ends are anodized aluminum and the check valves are stainless steel, ideal for protection against most harsh chemicals and abrasion. All moving parts are completely submerged in oil, which increases the reliability of the pump. The diaphragms are constructed from chemical resistant elastomers that ensure a long pump life even when used with aggressive chemicals.
Features & Benefits:
Ball bearings on the crankshaft for increased life.
Exclusive stainless steel check valve design ensures perfect sealing performance due to its unique spherical shaped poppet and conical seat.
Features a uniquely shaped piston to reduce wear against the diaphragm.
Medium-Pressure Diaphragm Pumps perform from 7.4 to 18.5 GPM with pressure ratings from 0 to 580 PSI.
The pump’s design delivers high volumetric efficiencies and more pumping capacity.
Three-piston semi-hydraulic diaphragm pumps ensure a smoother, quieter operation.
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