International Organization for Standardization (ISO)
Status
Latest
ISO 7241-1:1987
Scope
Lays down the interface dimensions and specifies basic performance requirements for two series of general-purpose quick-action couplings. Both series are in widespread use and have similar technological advantages. The distinction in usage is mainly geographical. Series "A" (covering sizes 6,3 to 50) is used predominantly in Europe and series "B" (covering sizes 5 to 50) is predominant in America.
ISO 7241-1:1987 history
1987ISO 7241-1:1987 Hydraulic fluid power; Quick-action couplings; Part 1 : Dimensions and requirements