Charge Pump Relief Valve Cartridge from Canada
Adjustable relief valve cartridge for hydraulic charge pumps in closed-loop systems, preventing over-pressurization during fluid replenishment. Integral to piston pump circuits. Fits HTS 8413.91.9060 as hydraulic pump part.
Duty Rate — Canada → 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
• Classify based on primary pump function, not secondary valve role; include system diagrams
• Avoid Chapter 84 valve headings by proving dedicated hydraulic pump integration
• Document set pressure ratings (e.g
• 300-500 psi) typical for charge pump applications