Descriptors | Pipe junctions, Chamfered, Gaskets, Performance testing, Size, Nipples (pipes), Pipe fittings, Screwed fittings, Pipe connections, Bend couplings, Design, Hexagonal shape, Leak tests, Inspection, Unions, Quality, Pipe plugs, Pipe caps, Dimensional tolerances, Nuts, Threads, Reinforcement, Elbows (pipes), Pipe crosses, Dimensions, Castings, Malleable cast-iron, Pipe couplings, Pipe tees, Bushes (mechanical components), Cast-iron, Marking |