1. Passed CE, CCC, ISO9001:2000 2. Small size and light weight, easy removing and installation 3. Used for farm irrigation. INSTALLATION AND APPLICATIONThey are recommended for pumping clean water without abrasive particles and liquid that is chemically non-aggressive to the materials of which the pump is made. Mainly used for well pumping, river pumping, farm irrigation, water supply, drainage ...