Description: unique and unambiguous combination of letters and/or numbers that distinguishes a product from products of a different manufacturing process; Name: Supplier batch number
Description: unique combination of numbers and letters that distinguishes a product from other products of a different fabrication process; Name: batch number from supplier
Description: Speed that characterizes a pump in terms of its speed, flow rate per impeller eye, i.e. total flow for single-flow impeller, half flow for double-flow impeller, at the best efficiency point and head per stage at maximum impeller diameter ; Name: Specific speed