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Pumps for liquids, whether or not fitted with a measuring device; liquid elevators; part thereof: > Parts: > Of pumps: > Other
Duty Rate (from China)
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
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Subheadings
Products classified under HTS 8413.91.90
Magnetic Coupling for Sealless Pumps
Rare earth magnetic drive coupling transmitting torque across containment shell in sealless centrifugal pumps. HTS 8413.91.90 as liquid pump parts, eliminating shaft seals for hazardous chemicals. Zero leakage design.
Diffuser Bowl for Multistage Booster Pumps
Precision-machined stainless diffuser bowl stacking in multistage booster pumps for high-pressure water supply. HTS 8413.91.90 other pump parts, directing flow between impellers. Balances radial thrust.
Volute Liner for Slurry Pumps
Replaceable rubber or polyurethane volute liner protecting slurry pump casings from abrasive wear. Under HTS 8413.91.90 for other liquid pump parts, essential for mining/dredging. High elasticity absorbs impacts.
Cam Rotor for Gear Pumps
Precision-ground steel cam rotor meshing with idler gear in external gear pumps for oils/lubricants. HTS 8413.91.90 as other pump parts, providing positive displacement with minimal slip. Heat-treated for precision.
Adjustable Nozzle for Metering Pumps
Tungsten carbide adjustable discharge nozzle for precision metering pumps in water treatment. HTS 8413.91.90 as other liquid pump parts, controlling flow rate with micrometer adjustment. Wear-resistant tip.
Flexible Impeller for Handheld Bilge Pumps
Neoprene flexible impeller for self-priming handheld bilge pumps on boats. Classified HTS 8413.91.90 as parts of liquid pumps, conforming to casing for efficient water evacuation. Collapses for dry running.
Bearing Housing for Vertical Turbine Pumps
Cast iron bearing housing supporting vertical shaft in deep well turbine pumps. HTS 8413.91.90 for pump parts, with thrust bearing for axial loads. Water-lubricated design.
Stainless Steel Centrifugal Pump Impeller
A precision-machined impeller designed for use in centrifugal pumps to impart kinetic energy to liquids. It is classified under HTS 8413.91.90 as a part of pumps for liquids, specifically the rotating component essential for pump operation. Made from corrosion-resistant stainless steel for handling various fluids.
Cast Iron Pump Casing for Submersible Pumps
A rugged cast iron housing that encases the impeller and rotor in submersible liquid pumps for wastewater applications. Falls under HTS 8413.91.90 as 'other' parts of pumps for liquids due to its dedicated design for containing and directing fluid flow. Provides pressure containment and corrosion resistance.
Brass Diaphragm Pump Valve Assembly
A brass check valve assembly used in diaphragm pumps to control liquid flow direction and prevent backflow. Classified in HTS 8413.91.90 as other parts of liquid pumps, integral to metering and dosing applications. Ensures reliable sealing and durability in corrosive environments.
Mechanical Seal for Multistage Liquid Pumps
A high-pressure mechanical seal assembly preventing leakage between pump shaft and casing in multistage liquid pumps. HTS 8413.91.90 applies as other pump parts for liquids, critical for high-head industrial applications like water boosting. Features carbon-ceramic faces for longevity.
Aluminum Diffuser for Axial Flow Pumps
Lightweight aluminum diffuser that converts velocity to pressure in axial flow liquid pumps for irrigation. Under HTS 8413.91.90 as other parts of pumps for liquids, optimizing hydraulic efficiency. Precision-cast for low-friction flow paths.
Piston Assembly for Reciprocating Liquid Pumps
Hardened steel piston with rings for positive displacement reciprocating pumps handling viscous liquids. HTS 8413.91.90 for other pump parts, enabling high-pressure metering in chemical processing. Tolerates abrasive slurries.
Nylon Wear Ring for Peristaltic Pump Rollers
Abrasion-resistant nylon ring lining rollers in peristaltic pumps for sterile liquid transfer. Classified HTS 8413.91.90 as other parts of liquid pumps, compressing tubing without contamination. Ideal for pharma/biotech.
Stator Housing for Progressive Cavity Pumps
Elastomer-lined steel stator for progressive cavity pumps conveying viscous fluids like sludge. HTS 8413.91.90 as pump parts for liquids, creating cavity progression via rotor rotation. Handles high solids content.