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
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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