Ключевые слова:
Marking, Vegetable fibres, Pipe fittings, Flat-faced flanges, Flange facings, Design, Flanges, Gaskets, Holes, Non-metals, Cork, Graphite, Dimensions, Natural rubber, Pipes, Raised-face flanges, Instructions for use, Diameter, Preferred sizes, Thickness, Seals, Plastics, Designations, Synthetic rubber