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