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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Specify corrosion-resistant materials for pump oil vapor exposure; include vibration isolation mounting provisions; ensure fast response time for pressure transients