General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 5860-2003
Replace
GB/T 5860-1986
Scope
This standard specifies the size and performance requirements of hydraulic quick-change joints that can be quickly connected or disconnected without tools or special devices in hydraulic system piping. The standard specifies the dimensions of two series of quick-change couplings that are widely used and similar in workmanship. The "A" series is typically used in Europe and the "B" series is typically used in the Americas.
GB/T 5860-2003 history
2003GB/T 5860-2003 Hydraulic fluid power—Quick-action couplings Dimensions and requirements