Hydraulic Ram Pump
A reciprocating positive displacement pump that uses water hammer effect to lift water without external power, ideal for remote water supply. It falls under HTS 8413.50.0090 as an other reciprocating pump for liquids not fitted with measuring devices or classified elsewhere. Used in agricultural and off-grid applications for reliable, low-maintenance operation.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If designed as centrifugal rather than reciprocating
Centrifugal pumps use rotary motion for liquid transfer, falling under a separate subheading regardless of displacement type.
If fitted with a built-in flow measuring device
Pumps with integrated meters for precise liquid dosing are classified under positive displacement pumps with measuring capability.
If imported as part of a complete metering system for industrial chemical processing
Machinery with integrated pumps having specific functions beyond standalone liquid pumping moves to Chapter 84 machines.
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Import Tips & Compliance
• Verify pump displacement capacity and material construction in documentation to confirm reciprocating positive displacement classification
• Include performance test reports to avoid misclassification as centrifugal pumps under 8413.70
• Label clearly as 'not for measuring devices' to prevent shifts to metering pumps in 8413.81
Related Products under HTS 8413.50.00.90
Piston Dosing Pump
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.
Triplex Plunger Pump
High-pressure reciprocating pump with three plungers for continuous operation in pressure washing and hydroblasting. Classified in HTS 8413.50.0090 as other reciprocating positive displacement pumps. Delivers steady flow at extreme pressures up to 40,000 PSI.
Chemical Injection Pump
Small reciprocating pump for continuous low-flow chemical addition in oil & gas production. HTS 8413.50.0090 covers this as other reciprocating positive displacement pump. Corrosion-resistant construction for harsh wellhead environments.
Laboratory Syringe Pump
Precision reciprocating syringe pump for microliter flow rates in research applications. Classified HTS 8413.50.0090 as other reciprocating positive displacement pump. Essential for HPLC, microfluidics, and automated experiments.
Metering Piston Pump
Heavy-duty reciprocating piston pump for industrial metering without built-in meters. HTS 8413.50.0090 for other reciprocating positive displacement pumps. Used in pulp/paper mills and wastewater treatment.
High Viscosity Reciprocating Pump
Reciprocating progressive cavity style pump for heavy oils, molasses, and slurries up to 1,000,000 cps. Classifies under HTS 8413.50.0090 as other reciprocating positive displacement. Handles non-Newtonian fluids without shear damage.