3 Diaphragm Pump with 1" Shaft & 1-3/8" 6-Spline Shaft Opposite End, 1-1/2" HB Suction x 1" Discharge, MAX 28.2 GPM, 218 PSI, 550 RPM, 4.1 HP

1" Shaft & 1-3/8" 6-Spline Shaft Opposite End

Excellent for acidic and highly corrosive products including 50% Sulfuric Acid, agchemicals, lawncare chemicals, fertilizers and many other products including heads that are constructed of polypropylene structure over aluminum diecast "core" for superior strength and chemical resistance.

• Excellent for Acidic & Highly Corrosive Products
• Desmopan or HPS diaphragms with 316SS diaphragm bolts and washers.
• Heads Constructed of Polypropylene Bonded over Aluminum Die-Cast for Superior Strength
• Oil Sight Gauge
• 316SS inlet and outlet check valves.
• Pressures to 218 PSI (290 PSI on DP43P)
• 140° F Maximum Temperature
• All Wetted Components are Polypropylene & 316SS for Maximum Chemical Resistance