Hydraulic or pneumatic
Automatic regulating or controlling instruments and apparatus. > Other instruments and apparatus: > Hydraulic or pneumatic > Hydraulic or pneumatic
Duty Rate (from China)
Subheadings
Products classified under Tariff item 9032.81
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.
9032.81.00Hydraulic 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.
9032.81.00Hydraulic 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.
9032.81.00Hydraulic 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.
9032.81.00Hydraulic Level Controller
> This hydraulic level controller automatically controls the level of hydraulic fluid in industrial reservoirs by using sensors to measure the actual level and adjusting the flow to maintain the desired setpoint. It continuously corrects deviations, making it an automatic regulating instrument. As a hydraulic device, it is classified under tariff item 9032.81.00.
9032.81.00Hydraulic Level Control Valve for Hydraulic Reservoirs
> This hydraulic level control valve automatically regulates the fluid level in hydraulic reservoirs by sensing the actual level and adjusting the flow of hydraulic fluid into or out of the reservoir. It continuously measures the level and corrects deviations from the setpoint, making it an automatic regulating instrument. Because it operates hydraulically, it is classified under tariff item 9032.81.00.
9032.81.00Hydraulic Load Force Controller
> This hydraulic load force controller automatically regulates the force output in hydraulic presses and lifts by using pressure feedback to stabilize against load variations. It continuously measures the force and adjusts the hydraulic pressure to maintain the desired value, making it an automatic regulating instrument. As a hydraulic device, it falls under tariff item 9032.81.00.
9032.81.00Hydraulic Pressure Regulator Valve
> This hydraulic pressure regulator automatically maintains a constant pressure in industrial hydraulic systems by continuously measuring the fluid pressure and adjusting the flow to keep it at the desired setpoint. It stabilizes the pressure against disturbances, qualifying as an automatic regulating instrument. As a hydraulic device, it falls under tariff item 9032.81.00.
9032.81.00Hydraulic Process Temperature Regulator
> This hydraulic process temperature regulator automatically controls the temperature of hydraulic oil in industrial processes by regulating the flow of coolant or heater output based on real-time temperature measurements. It continuously corrects deviations from the setpoint, making it an automatic regulating instrument. As a hydraulic device, it is classified under tariff item 9032.81.00.
9032.81.00Hydraulic Proportional Pressure Control Unit
> This hydraulic proportional pressure control unit automatically varies hydraulic pressure in response to electrical signals for process accuracy in industrial applications. It continuously measures the output pressure and adjusts the valve to maintain the desired setpoint, making it an automatic regulating instrument. Since it operates hydraulically, it falls under tariff item 9032.81.00.
9032.81.00Hydraulic Sequence Valve Controller
> This hydraulic sequence valve controller automatically sequences the operation of hydraulic valves by monitoring pressure and flow in the system. It ensures that machine cycles occur in the correct order by continuously measuring process variables and adjusting valve positions. This makes it an automatic regulating instrument for hydraulic systems, classified under tariff item 9032.81.00.
9032.81.00Hydraulic Servo Valve Controller
> This hydraulic servo valve controller automatically regulates the position and force of hydraulic servo valves in CNC machines through continuous feedback. It measures the actual output and adjusts the valve to maintain the desired setpoint, stabilizing against disturbances. As a hydraulic automatic regulating instrument, it is classified under tariff item 9032.81.00.
9032.81.00Pneumatic Air Flow Controller
> This pneumatic air flow controller automatically regulates the airflow rate in compressed air systems by sensing the actual flow and adjusting a valve to maintain the desired setpoint. It continuously measures and corrects deviations, functioning as an automatic regulating instrument. Since it operates pneumatically, it is classified under tariff item 9032.81.00.
9032.81.00Pneumatic Back Pressure Regulator
> This pneumatic back pressure regulator maintains a constant upstream pressure by automatically throttling the flow based on real-time pressure measurements. It continuously senses the pressure and adjusts the valve opening to stabilize against load changes, making it an automatic regulating instrument. As a pneumatic device, it falls under tariff item 9032.81.00.
9032.81.00Pneumatic Temperature Controller for Air Lines
> This pneumatic temperature controller automatically regulates the temperature of air in pneumatic lines by adjusting the flow of a heating or cooling medium based on temperature feedback. It continuously measures the air temperature and corrects deviations from the setpoint, making it an automatic regulating instrument. Since it operates pneumatically, it is classified under tariff item 9032.81.00.