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.
