Jesco America Corporation, JAC, is a leading manufacturer of chemical feed equipment offering a broad line of positive displacement diaphragm metering pumps, controllers, and amplifier products and accessory equipment. The magnetically, mechanically and hydraulically actuated line of metering pumps provide a full range of maximum capacities; from 0.03 to 830 gph and pressures to 4000 psig. These performance-based products are especially designed for chemical feed applications including potable and industrial water treatment, wastewater treatment and other chemical processes.