Plug type
Taps, cocks, valves and similar appliances, for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves; parts thereof: > Other appliances: > Hand operated: > Of iron or steel > Of steel: > Plug type
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 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 8481.80.30.65
Hand-Operated Steel Plug Valve for Crystal Puller Gas Lines
Steel plug cock designed for manual operation in Czochralski crystal puller systems during monocrystalline silicon boule production. Classified under HTS 8481.80.3065 for its steel construction and plug-type mechanism in semiconductor processing. Provides reliable isolation of process gases like argon.
316L Steel Plug Valve for Wafer Lapping Equipment
Corrosion-resistant 316L steel hand-operated plug valve for slurry lines in wafer lappers achieving flatness tolerances for semiconductor fabrication. Under HTS 8481.80.3065 as steel plug type for critical surface preparation in boule processing. Ensures uniform lapping pressure control.
Miniature Steel Plug Cock for Wafer Polisher
Compact hand-operated steel plug valve for chemical delivery in wafer polishers creating mirror-finish semiconductor surfaces from sliced boules. HTS 8481.80.3065 for small-scale steel plug appliances in final wafer preparation stages. Precision flow for colloidal silica slurries.
Steel Plug Cock Valve for Semiconductor Wafer Processing
A hand-operated steel plug type valve used in high-purity gas lines for semiconductor wafer manufacturing equipment, such as crystal growers. It falls under HTS 8481.80.3065 as a hand-operated plug type valve of steel for precise flow control in cleanroom environments. The plug design ensures tight shutoff and minimal leakage critical for processing silicon boules.
Precision Steel Plug Valve for Wafer Slicing Saw Coolant
Hand-operated plug type steel valve controlling coolant flow in diamond wire wafer slicing saws for semiconductor boule processing. HTS 8481.80.3065 applies due to steel material, hand operation, and plug design for precise abrasive slurry management. Ensures contamination-free wafer production.
Steel Plug Cock for Wafer Grinder Process Gas
Manual steel plug valve for nitrogen and process gas control in wafer grinders preparing semiconductor slices from boules. Fits HTS 8481.80.3065 as hand-operated steel plug appliance for precise diameter grinding operations. Critical for flat/grinding process contamination control.
Hand Steel Plug Valve for Float Zone Crystal Furnace
Plug type steel valve manually operated for vacuum and inert gas management in float zone crystal growers for gallium arsenide wafers. HTS 8481.80.3065 classification for steel hand-operated plug valves in semiconductor material growth equipment. Handles ultra-high purity argon flows.