Standard couplings acc. to ISO 7241-1 series A are standardised worldwide and can be combined as desired with other manufacturers, such as Parker, Rectus, Cejn, Stucci, Faster or Snap-Tite. They are used for standard hydraulic applications of all kinds. Sizes 1 and 2A are not included in the standard, but are nevertheless widely used and thus integrated in our standard delivery program. Our couplings are designed as push-pull couplings. That means that the coupling can be released either by pressing or pulling on the loosening sleeve.