JET WATER PUMP singal phase 220v/50hz. brass impeller, carbon steel motor shaft. with thermal protector inside. singal phase 220v/50hz. brass impeller, ... designing, manufacturing. Our company is located in "Chinese Water Pump Hometown" Daxi Shanshi industry area Wenling City, Zhejiang Province, ... and approved by ISO9001, and ISO2000 SWP series jet pump,self-priming pump ,centrifugal pump,water pump