Hydraulic Pressure Reducing Valve for Semiconductor Wafer Crystal Pullers from Germany
This hydraulic pressure reducing valve regulates fluid pressure in Czochralski crystal pullers used to grow monocrystalline silicon boules for semiconductor wafers. It falls under HTS 8481.10.0020 as a hydraulic fluid power type pressure-reducing valve essential for precise control in semiconductor manufacturing equipment. The valve maintains stable hydraulic pressure during the crystal growth process to ensure boule uniformity.
Duty Rate — Germany → United States
Rate breakdown
Import Tips
• Verify the valve's design pressure rating and fluid compatibility certification for semiconductor cleanroom use,Include equipment end-use documentation proving semiconductor manufacturing application to avoid reclassification,Ensure hydraulic fluid compatibility statements match statistical note requirements for Chapter 84 semiconductor provisions