Fluid end blocks
Pumps for liquids, whether or not fitted with a measuring device; liquid elevators; part thereof: > Parts: > Of pumps: > Other > Of hydraulic fluid power pumps: > Fluid end blocks
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]
Products classified under HTS 8413.91.90.55
High-Pressure Fluid End Block for Frac Pumps
A forged steel fluid end block designed for high-pressure hydraulic fluid power pumps used in hydraulic fracturing operations. It houses pistons, valves, and seals to withstand extreme pressures up to 15,000 PSI. Classified under HTS 8413.91.9055 as a part of hydraulic fluid power pumps.
Triplex Fluid End Block for Mud Pumps
Triplex-style fluid end block made from high-chrome iron for hydraulic fluid power pumps in drilling rigs. Features three plunger bores for handling abrasive drilling mud at high pressures. Falls under HTS 8413.91.9055 as a specific part of hydraulic pumps.
Forged Steel Fluid Cylinder Block for Cement Pumps
Heavy-duty forged steel fluid end block for hydraulic fluid power pumps used in concrete pumping trucks. Contains multiple cylinders for high-volume hydraulic fluid displacement. HTS 8413.91.9055 covers it as a hydraulic pump fluid end part.
Stainless Steel Fluid End Module for Pressure Washers
Corrosion-resistant stainless steel fluid end block for high-pressure hydraulic fluid power pumps in industrial pressure washers. Integrates packing glands and valve assemblies for water jetting. Classified in HTS 8413.91.9055 for hydraulic pump parts.
API Fluid End Block for Quintuplex Frac Pumps
API-spec quintuplex fluid end block for advanced hydraulic fluid power pumps in shale gas fracturing. Features five high-flow plunger ports with enhanced erosion resistance. HTS 8413.91.9055 specifically for such hydraulic pump fluid ends.
Hardened Alloy Fluid End for Hydraulic Test Pumps
Hardened chrome-moly alloy fluid end block for hydraulic fluid power pumps used in hydrostatic pressure testing of pipelines. Designed for 20,000+ PSI operation with replaceable liners. Covered by HTS 8413.91.9055 as hydraulic pump parts.
Modular Fluid End Assembly for Plunger Pumps
Bolt-together modular fluid end block system for serviceable hydraulic fluid power plunger pumps in water injection systems. Allows quick field replacement of wear components. HTS 8413.91.9055 applies to these hydraulic pump parts.
Tungsten Carbide Lined Fluid End Block
Fluid end block with tungsten carbide bore liners for extreme abrasion resistance in hydraulic fluid power pumps handling sand-laden fracking fluids. Precision machined for 100,000+ PSI fatigue life. Classified under HTS 8413.91.9055.