Boiler Safety Valve Mounting Block from Mexico
Machined steel block with valve seat for mounting ASME safety valves on steam boiler drums. HTS 8402.90.00.90 as critical safety component for pressure vessels.
Duty Rate — Mexico → United States
14.3%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• ASME Section I certification mandatory; include capacity certification
• Specify set pressure matching boiler MAWP (maximum allowable working pressure)
• Avoid bundling with valves to prevent control valve classification