Electrical Modulating Valve for Float Zone Process Chambers from Canada
Modulating valve with electrical actuator controls vacuum pumpdown and vent sequences in float zone semiconductor crystal growth chambers. HTS 8481.80.9025 for electrically actuated valves in advanced semiconductor processing.
Duty Rate — Canada → United States
12%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Leak rate certification <1x10^-9 atm-cc/sec required
• Specify bakeout temperature ratings for UHV cleaning
• Document position repeatability <1° for process control