Not exceeding 186.5 kW
Air or vacuum pumps, air or other gas compressors and fans; ventilating or recycling hoods incorporating a fan, whether or not fitted with filters; gas-tight biological safety cabinets, whether or not fitted with filters; parts thereof: > Other, except parts: > Other compressors > Other: > Other, including reciprocating and rotary: > Not exceeding 186.5 kW
Duty Rate (from China)
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
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8414.80.20.55
Czochralski Crystal Puller Compressor
A rotary compressor integral to Czochralski crystal pullers used for producing monocrystalline silicon boules in semiconductor wafer manufacturing. Classified under HTS 8414.80.20.55 as it is a rotary compressor not exceeding 186.5 kW, specifically for gas compression in crystal growth processes. Excludes standalone testing apparatus covered in Chapter 90.
Float Zone Crystal Furnace Compressor
Reciprocating compressor module for float zone crystal growth furnaces producing high-purity semiconductor silicon. Falls under HTS 8414.80.20.55 as a reciprocating compressor ≤186.5 kW used in inert gas circulation for semiconductor material processing.
Wafer Slicing Saw Vacuum Compressor
Oil-free rotary screw compressor providing vacuum hold-down for wafer slicing saws that cut monocrystalline semiconductor boules into wafers. HTS 8414.80.20.55 applies to this ≤186.5 kW rotary compressor for semiconductor wafer preparation.
Crystal Grinder Coolant Gas Compressor
Reciprocating compressor circulating coolant gas in crystal grinders that shape semiconductor boules to precise wafer diameters. Classified HTS 8414.80.20.55 for ≤186.5 kW reciprocating compressors in semiconductor wafer manufacturing equipment.
Wafer Lapping Machine Air Compressor
Scroll compressor supplying precisely regulated air pressure to wafer lappers/polishers achieving semiconductor flatness specifications. HTS 8414.80.20.55 for this ≤186.5 kW compressor in wafer surface preparation equipment.
Semiconductor Wafer Vacuum Rotary Compressor
Dedicated rotary vane compressor for vacuum chucks holding wafers during semiconductor fabrication preprocessing. Under HTS 8414.80.20.55 as ≤186.5 kW rotary compressor specifically for semiconductor wafer manufacturing.
Gallium Arsenide Crystal Growth Compressor
Reciprocating compressor for high-pressure gas systems in gallium arsenide compound semiconductor crystal growth. HTS 8414.80.20.55 covers this ≤186.5 kW compressor for processing non-silicon semiconductor materials.
Silicon Carbide Wafer Prep Compressor
Rotary compressor supplying process gases for silicon carbide wafer preparation grinders and polishers. Classified HTS 8414.80.20.55 as ≤186.5 kW compressor for power semiconductor wafer manufacturing.