• Air-operated double diaphragm pump features polypropylene construction
• Maximized flow rates, minimized pulsation and air consumption
• Environmentally sound with bolted construction provides maximum chemical and leak resistance
• "D" valve provides a positive seal avoiding costly air "blow-by" and features ceramic construction for long service life
• 1/2in. NPT ports with Santoprene ball checks and diaphragms

The ARO Air-Operated Double Diaphragm DEF Pump features a compact design that enables usage in a variety of locations, including limited space. "Unbalanced" valve design eliminates valve centering and pump stall-out. Simul-Shift valve provides ultra-positive, reliable shift signal for maximum efficiency. U.S.A.

• (1) 1:1 diaphragm pump
• (1) Operation/maintenance manuals