Description: Indicates what the customs tariff number is intended for (e.g. import or export); Name: Use of the customs tariff number
Description: Indicates what the tariff number is for (for example, import or export); Name: Use of customs tariff number
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