13.220.40 Ignitability and burning behaviour of materials and products / Воспламеняемость, поведение материалов и продуктов при горении, 23.060.01 Valves in general / Клапаны в целом
Ключевые слова:
Qualification approval, Leak tests, Ratings, Fluid equipment, Pressure testing, Fire tests, Size, Industrial, Type testing, Valves