This standard specifies the main parameter series, technical requirements, test methods, inspection rules, completeness, marking and packaging of hydraulic spring pressure testing machines. This standard applies to hydraulic spring pressure testing machines.
JB/T 5523-1991 history
2017JB/T 7796-2017 Spring tension and compression testing machine
2005JB/T 7796-2005 Tension and compression spring testing machines
1991JB/T 5523-1991 Hydraulic spring pressure testing machine
JB/T 5523-1991 Hydraulic spring pressure testing machine was changed to JB/T 7796-2005 Tension and compression spring testing machines.