Copper Inline Check Valve for Semiconductor Wafer Lappers from United States
A compact inline copper check valve exceeding 850 kPa for slurry lines in wafer lapping machines, ensuring consistent abrasive flow direction for flatness precision. Its copper construction and high-pressure rating qualify it under tariff item 8481.30.00.
Duty Rate — United States → Canada
0%
Import Tips
• Provide the valve's pressure rating and copper alloy certification to support classification
• If the valve is part of a lapping machine, verify whether it should be classified with the machine under Section XVI Note 4
• Keep the end-use documentation ready for CBSA inspection