Descriptors | Pipe fittings, Pipe couplings, Screwed fittings, Hydraulic equipment, Hydraulic transmission systems, Toroidal sealing rings, Sealing rings, Hose connectors, Steels, Service pressure, Temperature, Diameter, Hardness, Nuts, Designations, Preferred sizes, Design, Threads, Instructions for use, Marking, Performance testing, Pressure testing, Test pressure, Endurance testing, Leak tests, Angles (geometry) |