The CHEM-FEED® C-600HV (High Volume) Diaphragm Metering Pump is a simple and economical solution to a wide range of commercial and industrial fluid process applications. This compact pump features an all-ball bearing, permanently lubricated gear motor for smooth, powerful, and quiet operation. Stroke adjustment from 4-100% permits accurate small injections at a high rate per minute. Technical Overview: GPH 1.74 - 47.1 LPH 6.6 - 178.3 PSI 20 Bar 1.4 Enclosure Rating NEMA 1 (IP20) Standards CE, UL, CSA Control Methods Manual Power Supply 100 to 240VAC-50/60Hz