PID Flow Regulator Sensor Assembly
Sensor assembly component for 9032.81 automatic flow control instruments, measuring and adjusting liquid/gas flow rates in chemical processing lines. Classified under 9032.90.61.60 as it is principally used with subheading 9032.81 apparatus for closed-loop regulation. Excludes general plumbing sensors per Chapter exclusions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If primarily for flow measurement without active regulation
Passive flowmeters fall under 9026; active closed-loop parts stay in 9032 per Chapter Note 5.
If for use in pressure-regulating valves of machinery
Chapter 90 excludes valves/appliances of 8481; classification shifts if not dedicated to measuring apparatus.
If multifunctional for non-automatic measuring instruments
Measuring accessories not tied to automatic regulators go to 9031.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide flow calibration certificates and 9032.81 parent instrument model numbers in entry docs for accurate part classification
• Avoid bulk packaging that suggests general machine parts; retail-ready units better support Chapter 90 status
• Watch for anti-dumping duties on Asian-sourced electronics; declare origin precisely
Related Products under HTS 9032.90.61.60
Level Control Probe Kit for Liquid Regulators
Replacement probe kit for 9032.81 automatic level controllers in storage tanks, using ultrasonic or capacitive sensing for precise fill regulation. Falls under 9032.90.61.60 as parts suitable principally with these automatic apparatus. Not for manual gauges.
Relay Output Board for Automatic Controllers
Solid-state relay board for 9032.81 regulators, handling high-current switching based on control logic for actuators. HTS 9032.90.61.60 as dedicated expansion for process control outputs. Not general-purpose relays.
Communication Interface Card for 9032.81 Regulators
Modbus/Profibus interface card plugging into 9032.81 controllers for SCADA integration and remote monitoring. Under 9032.90.61.60 as principal accessory enabling networked automatic control. Excludes PC expansion cards.
Calibration Adapter Kit for Process Regulators
Adapter set for bench calibration of 9032.81 automatic regulators, simulating inputs for accuracy verification. HTS 9032.90.61.60 as accessory suitable principally with these instruments. Not general test equipment.
Power Supply Module for Temperature Regulators
24VDC power supply module engineered for 9032.81 temperature controllers, with built-in fusing for process safety. Classified 9032.90.61.60 as it is principally compatible with these automatic units. Differs from universal PSUs.
Enclosure Mounting Kit for Control Regulators
IP65-rated mounting brackets and enclosure adapters for DIN-rail installation of 9032.81 regulators in harsh environments. Under 9032.90.61.60 as dedicated housing accessories for these instruments. Not general cabinets.