Description: Character string identifying additional properties that cannot be expressed by structured manufacturer part numbers; Name: Manufacturer Product Order Supplement
Description: By the manufacturer awarded string for the identification of additional attributes, not by a structured manufacturer item number may be expressed; Name: Manufacturer product order suffix
Description: amount of the absolute value of the total head above the head, equivalent to the vapour pressure of the liquid at the particular temperature, with reference to the NPSH datum plane; Name: net positive suction head