Mud Pump Fluid End Section from China

The fluid end section of high-pressure mud pumps circulates drilling fluid through offshore platform systems for 8430.41/8430.49 boring machinery (HTS 8431.43.40.00). Contains pistons, valves, and liners exposed to abrasive drilling mud at 5,000+ psi. Exclusive to offshore oil/gas drilling platforms.

Duty Rate — China → United States

35%

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
9903.88.0125%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]

Import Tips

API 7K monogram required for pressure-containing parts; include liner size/bore specs; provide wear material composition (e.g

tungsten carbide)