Pneumatic Air Quality Regulator for Cleanrooms
This pneumatic air quality regulator monitors particulate levels and pressure differentials in cleanrooms, automatically adjusting ventilation to maintain set conditions. It operates on pneumatic control principles, making it an automatic regulating instrument for non-electrical variables under tariff item 9032.81.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the regulator uses electrical sensors or actuators
Electrical automatic regulating instruments fall under this alternative tariff item.
If the regulator is designed primarily for temperature control
Thermostats and temperature-regulating devices are classified separately.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the regulator is purely pneumatic; if it incorporates electrical sensing elements, it may be reclassified under 9032.89.00
• Declare the product's function as automatic regulation of air quality to support the tariff classification
• Keep technical documentation ready for CBSA verification
Related Products under Tariff item 9032.81.00
Electro-Pneumatic Proportional Pressure Regulator
> This electro-pneumatic proportional pressure regulator converts an electrical control signal into a proportional pneumatic pressure output. It continuously measures the downstream pressure and adjusts the internal valve to maintain the desired setpoint, making it an automatic regulating instrument. Because its final control element operates pneumatically, it is classified as a pneumatic instrument under tariff item 9032.81.00.
Hydraulic Accumulator Charging Regulator
This hydraulic accumulator charging regulator automatically controls charging rates to hydraulic accumulators based on bladder pressure feedback. As a hydraulic automatic regulating instrument, it falls under tariff item 9032.81.00.
Hydraulic Cylinder Position Regulator
> This hydraulic cylinder position regulator automatically maintains precise piston positions in industrial hydraulic cylinders by continuously sensing the position and adjusting the hydraulic flow to correct any deviation. It stabilizes the position against disturbances, making it an automatic regulating instrument. As a hydraulic device, it falls under tariff item 9032.81.00.
Hydraulic Flow Compensator Regulator
This hydraulic flow compensator regulator automatically compensates for flow variations to ensure consistent actuator speeds in hydraulic systems. Its hydraulic automatic regulation places it under tariff item 9032.81.00.
Hydraulic Flow Control Meter
> This hydraulic flow control meter automatically measures and regulates the flow rate of hydraulic fluid in industrial pipelines. It uses sensors to detect the actual flow and adjusts a valve to maintain the desired rate against variations, functioning as an automatic regulating instrument. Since it operates hydraulically, it is classified under tariff item 9032.81.00.
Hydraulic Fluid Velocity Regulator
> This hydraulic fluid velocity regulator automatically controls the velocity of hydraulic fluid in pipelines to maintain consistent process speeds. It uses flow sensors and actuators to continuously measure the velocity and adjust the flow, stabilizing against disturbances. As a hydraulic automatic regulating instrument, it falls under tariff item 9032.81.00.