This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of hydraulic coal mining pumps. This standard is applicable to multi-stage segmented centrifugal hydraulic coal mining pumps that supply water to water guns on water mining working faces, form water jets to drop coal, and can be pressurized in series. The water source can be purified water mining circulating water (solid particles in the water The particle size is not greater than 0.5 mm, the solid content is not greater than 1g/L), mine water (neutral water) or normal temperature clear water.