Electrical Modulating Valve for Float Zone Process Chambers from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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