This standard specifies the terms and definitions, basic requirements, technical requirements, test methods, inspection rules and markings, packaging, instructions for use, transportation, storage and quality commitment of diaphragm pumps for sprayers. This standard applies to diaphragm pumps (hereinafter referred to as pumps) that transport pesticide liquids and other liquid media with a flow rate not greater than 600L/min, a working pressure not greater than 5.0MPa, and a rated speed of 350r/min ~ 1000r/min.