The Pulsafeeder 1.6PH 1800PSIG KPC3CBCKQCC 19.8:1 Diaphragm Metering Pump 680-S-E is a high-pressure, high-flow metering pump designed for industrial and business applications. With a 19.8:1 diaphragm ratio, this pump is capable of accurately and efficiently delivering precise volumes of fluids. The 1.6PH model features a durable construction and reliable performance, making it a valuable asset for various industries that require precise fluid control.