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Pipe fittings|Hydraulic pressure|Linear density|Hydrants|Pipe plugs|Designations|Bitumens|Flanged fittings|Finishes|Pipe coatings|Gaskets|Leak tests|Tensile testing|Test pressure|Surface defects|Pipe couplings|Hardness|Mass|Tensile strength|Mechanical testing|Pipe tees|Slip-on flanges|Sampling methods|Reducing couplings|Bend couplings|Pressure testing|Flanges|Surface treatment|Marking|Cement mortar|Non-destructive testing|Cast-iron|Zinc|Screwed flanges|Screwed fittings|Tolerances (measurement)|Bend testing|Specimen preparation|Linings (containers)|Welded flanges|Type testing|Size|Thickness|Coatings|Pipe caps|Dimensions|Spheroidal-graphite cast-iron|Blank flanges|Spigot-and-socket joints|Pipe collars|Pipes|Elongation|Dimensional tolerances|Cast-iron pipelines|Pipe connections|Design|Test specimens