This standard specifies the codes for solid particle pollution levels in the working medium of hydraulic systems and the solid particle pollution levels of hydraulic oil used in truck cranes and tire cranes.
JB/T 9737.1-2000 history
2013JB/T 9737-2013 Mobile cranes.Solid particle pollution grade, measurement and selection of the hydraulic fluid
2000JB/T 9737.1-2000 Truck crane and wheel crane.Contaminant grade of solid particle in hydraulic fluid
JB/T 9737.1-2000 Truck crane and wheel crane.Contaminant grade of solid particle in hydraulic fluid was changed to JB/T 9737-2013 Mobile cranes.Solid particle pollution grade, measurement and selection of the hydraulic fluid.