The SP100 Series Air-Operated Double Diaphragm Pump can be configured in materials that are resistant to industrial chemicals and proven to provide complete compatibility coverage for a wide range of fluids. With the highest flow rate in the industry at 17.5gpm and the lowest pulsation, you can quickly and efficiently transfer fluid without the splash and mess. Patented Air Valve design provides the low pulsation (low pressure drop) and the patented ring construction provides the lowest turnaround time in maintenance. You can clean the check valves quickly with the threaded rings, no nuts or bolts to lose. With its extensive list of features, the SP100 Series outperforms the competition time and time again.