Fasteners with a clamping ring and a nut for connecting pipes (copper, steel, aluminum) and hoses (eg polyamide). Compliant with EN 1254-2. Outer diameters of pipes 4 ÷ 22 mm. The nut presses the clamping ring against the body seat and the pipe. Maximum working pressure depending on the material of the pipe or hose and size up to 200 bar. Installation connectors with a clamping ring are used for water, air, oil and fuels. Made of ss304 stainless steel.