Pressure Stabilizer for Compressed Air Systems

Apparatus that monitors air pressure and automatically modulates compressor output or relief valves to hold steady PSI in manufacturing lines. Falls in HTS 9032.89.60.85 as other automatic pressure regulators for gases. Maintains setpoint against load variations per note 5(a).

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China1.7%+35.0%36.7%
🇲🇽Mexico1.7%+10.0%11.7%
🇨🇦Canada1.7%+10.0%11.7%
🇩🇪Germany1.7%+10.0%11.7%
🇯🇵Japan1.7%+10.0%11.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

9032.89Same rate: 36.7%

If automatic float regulators for pressure

Specific types have enumerated subheadings.

8481.40.00Higher: 37% vs 36.7%

If safety/relief valves without automatic sensing

Passive valves classify separately from active regulators.

9026.20Lower: 10% vs 36.7%

If pressure gauges or manometers only

Measurement without control per chapter note exclusions.

Not sure which classification is right?

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Import Tips & Compliance

ASME pressure vessel compliance docs essential for air systems

Highlight continuous measurement/adjustment to avoid 8481 valve classification

Related Products under HTS 9032.89.60.85

Programmable Humidity Regulator for Greenhouse

A controller that senses relative humidity via sensors and automatically activates humidifiers or dehumidifiers to hold setpoint levels in agricultural environments. HTS 9032.89.60.85 applies to such automatic apparatus for regulating non-electrical variables like moisture content against fluctuations. It features PID control for stability.

Batch Weighing Controller for Food Processing

Digital controller that automatically dispenses ingredients by weight, stopping at precise batch totals in mixers for consistent food production. HTS 9032.89.60.85 covers other automatic regulators though primarily for flow/level/pressure; extends to weight-based via note 5. Stabilizes against ingredient variations.

Vibration Monitoring Regulator for Machinery

System that measures equipment vibration levels and automatically reduces speed or activates dampers when exceeding safe thresholds. Under HTS 9032.89.60.85 as other automatic controllers for mechanical variables. Prevents damage through setpoint maintenance.

Speed Control Governor for Conveyor Systems

Electronic governor that regulates motor speed based on belt load feedback to maintain consistent conveyor throughput. HTS 9032.89.60.85 for other automatic speed regulators in industrial applications. Stabilizes against varying loads.

Tension Control Unit for Paper Winding Machines

Automatic tension regulator using load cells to adjust web tension during paper roll production, preventing breaks or slippage. Classified HTS 9032.89.60.85 as other regulators for mechanical force variables. Maintains constant tension via feedback.

Industrial PLC Temperature Controller

A programmable logic controller-based device that automatically monitors and regulates temperature in manufacturing processes by measuring sensor inputs and adjusting heaters or coolers. It falls under HTS 9032.89.60.85 as an automatic regulating instrument for temperature control, designed to maintain precise setpoints against disturbances. This subheading covers other non-electrical quantity regulators not specified elsewhere in heading 9032.