Ключевые слова:
Leak tests|Fluid equipment components|Pressure testing|Holes|Design calculations|Thickness|Diaphragms (mechanical components)|Type testing|Potable water|Temperature|Hydraulic tests|Tensile strength|Expansion vessels|Endurance testing|Marking|Materials in contact with food|Internal|Steels|Pressure|Hot-water supply systems|Performance|Dished ends