Features:
• The heads are designed with a patented technology that includes an aluminum die-cast core inside a polypropylene structure offering superior strength.
• Washers and diaphragm bolts are in 316 stainless steel, an exclusive feature.
• Die cast crankcase incorporating a new cooling system.
• New chemically resistant diaphragm material pre-deformed to reduce the amount of deflection, increasing diaphragm life. The diaphragm material is compatible with most of the corrosive chemicals on the market today.
• A short crankshaft stroke means the longest life possible.
• New connecting rods in special bronze alloy offer economical and trouble free service.
• 316 stainless steel inlet and outlet check valves.
Specifications
                                                                                Description | 
                                                                        N/A 3 diaphragms. Through input shaft: 1" diameter one end 1-3/8" spline opposite end. Negative pressure max: 4.9 ft. intermittent: 9.8 ft. | 
                                                                                Max Flow GPM | 
                                                                        N/A 33.3 | 
                                                                                Max Pressure PSI | 
                                                                        N/A 218 | 
                                                                                Max Speed RPM | 
                                                                        N/A 550 | 
                                                                                Max Power HP | 
                                                                        N/A 4.8 | 
                                                                                Max Temp | 
                                                                        N/A 140°F | 
                                                                                Suct. Hose Diameter | 
                                                                        N/A 1-1/2" Hose | 
                                                                                Disch. Hose Diameter | 
                                                                        N/A 1" NPT | 
                                                                                Weight lbs. | 
                                                                        N/A 41.8 | 
                                                                                Lube Oil | 
                                                                        N/A 30 SAE | 
                                                                                Manufacturer | 
                                                                        N/A CDS-John Blue | 
            