KV value(Kv value is the metric measure for the flow of a valve. It is defined as: The volume flow in cubic metres per hour of water at a temperature of between 5° and 40° celsius with a pressure drop across the valve of 1 bar. Источник: duncanrogers.comIgBar)
solid cubic meter(The solid cubic meter (m3) is used with reference to the volume that is entirely occupied by wood. This unit of measurement is commonly used for timber. – АД)
