Versamatic’s 2" (51mm) bolted metal air-operated double-diaphragm (AODD) pump features a robust, leak-free bolted design, ensuring safe sealing when handling aggressive chemicals. This pump strikes an ideal balance of flow, size, and portability compared to other models, with a maximum flow rate of 163 gpm (617 lpm). As an ATEX diaphragm pump, it meets compliance standards for use in potentially hazardous environments, including mining. The 2" model is available in the following materials: - Aluminum - Stainless Steel - Cast Iron - Alloy C