4 Diaphragm Pump with 1-3/8" 6-Spline Shaft Each End, 1-1/2" HB Suction x 3/4" Discharge, MAX: 40.7 GPM, 725 PSI, 550 RPM, 20 HP

1-3/8" 6-Spline Shaft Each 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.

• 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 725 PSI
• 140° F Maximum Temperature
• All Wetted Components are Polypropylene & 316SS for Maximum Chemical Resistance