Platform Tensioner Cylinder Assembly from Japan
Hydraulic tensioner cylinders maintain constant tension on offshore drilling risers to compensate for vessel heave motion on floating platforms (HTS 8431.43.40.00). Integral to 8430.41/8430.49 boring machinery for deepwater operations. Classified as parts solely for offshore oil and gas production platforms.
Duty Rate — Japan → United States
10%
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
Import Tips
• Include stroke length and tension capacity specs (e.g
• 1M lbs/line); require DNV-GL or ABS type approval for marine use; avoid bulk hydraulic cylinder imports under 8412