This document specifies the terms and definitions, basic requirements, models, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and quality commitment of pneumatic diaphragm pumps. This document is applicable to the flow range of 0 L/min ~ 1 041 L/min, the maximum outlet pressure of 0 MPa ~ 0.84 MPa, the connection type is threaded and flange, and the compressed air is used as the power source to transport corrosive, particle-laden, high-temperature Pneumatic diaphragm pump (hereinafter referred to as the pump) for viscous, volatile, flammable, explosive and highly toxic media.