See Xylem's new Saajhi treadle Pump, this Self-priming diaphragm-based system provides efficient and easily serviceable, this highperformance pumping technology has been proven by Xylem in hostile marine markets for more than 20 years SELF-PRIMINGDIAPHRAGM-BASED SYSTEM Efficient and easily serviceable, this highperformance pumping technology has been proven by Xylem in hostile marine markets for more than 20 years.