The CHEM-FEED® C3 Diaphragm Metering Pump delivers accurate chemical feed quietly and efficiently against high system pressures. With an easy-to-read LCD user interface and optional pulse/frequency/4-20 mA input capability, the CHEM-FEED® C3 pump has the power and flexibility you need to take control of your fluid management process. The C3’s exclusive DiaFlex® Diaphragms will last the life of the pump, eliminating the need for expensive rebuild kits Technical Overview: GPH .3 - 40 LPH .1 - 154 PSI 150 Bar 10.3 Enclosure Rating NEMA 4X (IP66) Standards CE, cETLus, RoHS Control Methods Manual, Remote Analog/Digital Power Supply 100 to 240VAC-50/60Hz