Iron Orifice Flange 4 Inch from Canada
4-inch iron orifice flange pair for flow meter installation, ID 102 mm with machined metering ports. Used in oil/gas metering skids. Under HTS 7307.91.50.10 as iron flanges <360 mm ID.
Duty Rate — Canada → United States
15.5%
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
• Import as pairs with jack screws; single units may reclassify
• Bore schedules (e.g
• Schedule 40) must match pipe declarations
• API 6A certification often required for petroleum use