Piston Dosing Pump from Mexico
Reciprocating positive displacement pump using pistons for accurate chemical injection in industrial processes. Falls under 8413.50.0090 as other reciprocating pumps not elsewhere specified. Essential for boiler feedwater treatment and pH control systems.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include stroke length and flow rate specifications to prove positive displacement reciprocating action
• Watch for reclassification if pump exceeds certain capacities better suited to rotary gear pumps
• Document end-use applications to distinguish from fuel injection pumps under automotive parts headings