ČSN EN 14420-8+A1

This European Standard specifies dimensions, types of connections, quality of materials, marking re-quirements and testing requirements for hose fittings with symmetrical half couplings (Guillemin sys-tem), with mobile locking ring, for hose assemblies with a maximum working pressure of up to 10 bar ) with hose tails according to EN 14420 2 and clamp units according to EN 14420 3. Couplings in accord-ance with this document serve as link between hoses and connections to transport liquids, solids (e.g. powders, granules) except steam and liquid gas. The working temperature range is -20 °C up to +65 °C.