Piston Dosing Pump from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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