This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of spherical rotor pumps. This standard is applicable to spherical rotor pumps (hereinafter referred to as "spherical pumps") with a rated pressure of 0.3~6MPa and a flow rate of 2~400m^2/h for pumping flammable, explosive, high-temperature and high-viscosity media.