The CHEM-FEED® C-600P 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 - 21.5 LPH 4 - 81.4 PSI 125 Bar 8.6 Enclosure Rating NEMA 1 (IP20) Standards NSF/ANSI 50, CE, ETL, CSA, RoHS Control Methods Manual Power Supply 100 to 240VAC-50/60Hz