This standard specifies the terms, codes, types and basic parameters of liquid viscous speed regulators. This standard applies to various types of liquid viscous speed regulators that use mineral oil as the working medium and have steel or lined friction plates as the basic components.
JB/T 5968-1991 history
2008JB/T 5968-2008 Hydroviscous variable device. Types and basic parameters
1991JB/T 5968-1991 Type and basic parameters of liquid viscous governor