Ключевые слова:
Manually-operated devices|Screwed fittings|Grades (quality)|Capillary fittings|Temperature|Torsion testing|Liquid valves|Hot-water central heating|Leak tests|Marking|Performance|Compression fittings|Design|Ratings|Flow regulators|Pressure testing|Radiators|Valve components|Testing conditions|Copper alloys|Water valves|Valves|Test equipment|Size|Seals|Pressure|Dimensions