Manostats
Automatic regulating or controlling instruments and apparatus; parts and accessories thereof: > Manostats
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 9032.20.00.00
Laboratory Gas Manostat Regulator
Precision manostat for regulating gas pressure in analytical instruments, featuring electronic feedback to maintain constant pressure despite flow variations. Classified under HTS 9032.20.00.00 for its automatic control of gas pressure through continuous measurement and adjustment. Essential for chromatography and gas delivery systems.
Semiconductor Wafer Processing Manostat
Ultra-precise manostat for semiconductor etch and deposition chambers, maintaining chamber pressure at 10^-6 torr levels automatically. HTS 9032.20.00.00 classification for automatic gas pressure regulation in high-vacuum processes critical to chip fabrication. Features mass flow integration for recipe-based control.
Pneumatic Tool Pressure Manostat
Compact manostat for maintaining consistent air pressure to robotic pneumatic grippers and tools in automated assembly lines. Automatic regulation prevents tool malfunction from pressure fluctuations. HTS 9032.20.00.00 for its precise pressure stabilization function in industrial automation.
Digital Vacuum Manostat
A digital manostat designed to automatically regulate and maintain vacuum pressure levels within laboratory systems by continuously monitoring and adjusting pressure to a set value. It falls under HTS 9032.20.00.00 as it precisely matches the definition of manostats for automatic pressure control of gases, stabilizing against disturbances through periodic measurement. Commonly used in vacuum filtration and drying processes.
Industrial Process Manostat Controller
Automated manostat controller for maintaining precise pressure in chemical processing lines, with PID control algorithms for stabilizing gas or liquid pressure. Falls under HTS 9032.20.00.00 as an automatic regulating instrument that measures actual pressure and adjusts to setpoint continuously. Used in pharmaceutical and petrochemical manufacturing.
Bioreactor Pressure Manostat
Specialized manostat for bioreactors that automatically maintains sterile gas pressure during cell cultivation by real-time pressure monitoring and valve actuation. Classified in HTS 9032.20.00.00 for its automatic pressure regulation capability essential for biotech processes. Prevents contamination while stabilizing culture conditions.
HVAC Zone Pressure Manostat
Electronic manostat for building HVAC systems that automatically maintains differential pressure in cleanrooms or isolation zones by modulating supply air. Under HTS 9032.20.00.00 as it fulfills automatic pressure control via measurement and adjustment against disturbances. Critical for contamination control in hospitals and pharma facilities.