Other
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: > Other > Other: > With pneumatic actuators: > Other
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 8481.80.90.40
Pneumatic Actuated Ball Valve for Semiconductor Wafer Processing
A ball valve equipped with a pneumatic actuator designed for precise control of gas flow in semiconductor wafer fabrication cleanrooms. It falls under HTS 8481.80.9040 as an other appliance with pneumatic actuator used in high-purity environments for processing semiconductor materials. The pneumatic operation ensures reliable, contamination-free shutoff critical for crystal growers and pullers.
Pneumatic Diaphragm Valve for Gas Delivery in Crystal Pullers
Diaphragm valve with pneumatic actuator for controlling process gases in Czochralski crystal pullers during monocrystalline silicon boule production. Classified in HTS 8481.80.9040 for other pneumatic actuated valves used in semiconductor material growth equipment. Provides zero-dead-volume flow control essential for purity.
Pneumatic Pinch Valve for Wafer Slurry Lines
Pinch valve with pneumatic actuator for abrasive slurry lines in wafer slicing saws and grinders. HTS 8481.80.9040 covers this other pneumatic valve preventing contamination in semiconductor wafer preparation. Tubeless design handles particle-laden fluids without wear.
Pneumatic Butterfly Valve for CMP Slurry Distribution
Butterfly valve pneumatically actuated for chemical mechanical planarization (CMP) slurry distribution in wafer polishers. Falls under HTS 8481.80.9040 as other appliance for semiconductor processing tanks. PTFE-lined for chemical resistance.
Pneumatic Solenoid Valve Manifold for Wafer Grinder Coolant
Multi-station pneumatic solenoid valve manifold controlling coolant flow to wafer grinders and lappers. HTS 8481.80.9040 for other pneumatic actuated valve assemblies in semiconductor preparation equipment. Manifold design reduces leak points.
Pneumatic Angle Seat Valve for DI Water Lines
Angle seat valve with pneumatic actuator for deionized (DI) water distribution in wafer cleaning stations post-polishing. Classified HTS 8481.80.9040 for semiconductor process control valves. Self-draining design prevents stagnation.
Pneumatic Y-Pattern Valve for N2 Purge Systems
Y-pattern pneumatic valve for nitrogen purge in crystal grinders indicating conductivity flats. HTS 8481.80.9040 other pneumatic appliances for semiconductor boule processing. Low particle generation design.
Pneumatic Proportional Control Valve for Process Gas
Proportional pneumatic valve providing variable flow control of dopant gases in float zone crystal growers. Under HTS 8481.80.9040 as other precision pneumatic valve for semiconductor material growth. 4-20mA control signal compatibility.
Pneumatic Sampling Valve for Wafer Fab Utility Monitoring
Sampling valve pneumatically operated for utility monitoring (gas, water purity) in semiconductor cleanrooms. HTS 8481.80.9040 other pneumatic appliances supporting wafer processing quality control. Dead volume minimized for accurate sampling.
Pneumatic Flush Valve for Crystal Boule Processing Tanks
Flush-bottom pneumatic valve for drain/tank applications in crystal boule processing vessels. Classified HTS 8481.80.9040 for semiconductor tank appliances with pneumatic actuation. Tangential discharge prevents residue buildup.
Pneumatic Diverter Valve for Multi-Gas Crystal Growth
Diverter valve pneumatically switching between process gases (Ar, H2, N2) in crystal growth furnaces. HTS 8481.80.9040 other pneumatic valve for semiconductor boule production. Zero bubble tight isolation.
Pneumatic Needle Valve for Precision Dopant Injection
Micrometer-controlled pneumatic needle valve for dopant precursor injection in semiconductor crystal growth. Under HTS 8481.80.9040 as other precision pneumatic valve. 0.001" resolution flow control.
Pneumatic Tank Blanket Valve for Process Vessels
Blanketing valve pneumatically maintaining inert atmosphere in semiconductor processing tanks. HTS 8481.80.9040 other pneumatic appliance for wafer processing vessels. Maintains <10ppm O2 levels.
Pneumatic Multi-Port Selector Valve for Gas Analysis
16-port pneumatic selector valve switching gas streams to RGA mass spectrometers monitoring semiconductor processes. Classified HTS 8481.80.9040 for other pneumatic valves in testing apparatus. <1 second port-to-port switching.
Pneumatic Zero-Dead-Volume Valve for Precursor Lines
Zero dead volume pneumatic valve eliminating trapped precursor in MOCVD precursor delivery for compound semiconductors. HTS 8481.80.9040 other pneumatic appliance critical for gallium arsenide processing. Welded diaphragm design.