Description: Language-independent, unambiguous code of a class in a class system; Name: code of the transmission class
Description: language-independent, unambiguous code of a class within a class system; Name: Class code of the transmission
Description: measure of the increase in the liquid to be pumped, water, on a pipe connected vertically to the pump when the flow rate is zero. related to the operation of the pump at 1,450 rpm with the current impeller size; Name: pump shut-off head for actual impeller diameter at 1450/min