Hydraulic Pilot-Operated Pressure Reducing Valve for Crystal Puller Chambers from Germany
Pilot-operated hydraulic valve controlling chamber pressure in Czochralski crystal pullers for semiconductor boule growth. HTS 8481.10.0020 classification for hydraulic fluid power pressure-reducing valves in wafer manufacturing equipment. Provides stable pressure reference for crystal growth process control.
Duty Rate — Germany → United States
12%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Specify pilot pressure ratio and main stage response time for puller process matching,Include high-temperature hydraulic fluid certification for hot zone operation,Document chamber pressure stability specifications meeting crystal growth requirements