Pneumatic Vacuum Pump Exhaust Pressure Control Valve from Japan
Pneumatic pressure-reducing valve installed on semiconductor vacuum pump exhaust lines to control backpressure and protect roughing pumps during chamber pump-down cycles. HTS 8481.10.00.60 classification for other pneumatic fluid power pressure-reducing valves in fab vacuum systems.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify corrosion-resistant materials for pump oil vapor exposure; include vibration isolation mounting provisions; ensure fast response time for pressure transients