Analog Signal Proportional Valve for Wafer Slicing Coolant System from Germany
Precision valve for inner/outer diameter coolant control in wafer slicing saws, proportionally modulating flow based on blade torque feedback signals. Classified 8481.80.9020 for proportional operation by control device signals in semiconductor wafer preparation equipment. Enables damage-free slicing of monocrystalline boules into thin wafers.
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
• Blade speed/flow correlation charts required to demonstrate process control application
• Kalrez/FFKM seal material declarations prevent chemical compatibility holds