Triplex Fluid End Block for Mud Pumps from Japan
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.
Duty Rate — Japan → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide detailed engineering drawings showing integration with hydraulic pistons and manifolds
• Ensure labeling complies with API standards for oilfield equipment to support hydraulic pump classification