Description: a unique number assigned to a particular unit of some product to identify it; Name: Producer serial number
Description: Unique combination of numbers and letters used to identify the device once it has been manufactured; Name: Serial number
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 2,900 rpm with maximum impeller size; Name: pump shut-off head for maximum impeller diameter at 2900/min