Dual Plate Check Valve
Compact dual plate check valve with two semi-circular plates that pivot open for low pressure drop and snap shut to block backflow. Falls under HTS 8481.30.9000 as other nonmetallic or unspecified check valves for industrial piping.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If over 2 inches but steel
Larger steel versions have distinct provisions from other materials.
If dedicated pump discharge use
Integral pump check valves classify with the pump assembly.
If temperature controlled
Thermostatically controlled check valves move to dedicated subheadings.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Specify wafer vs flanged type in documentation; pressure test certificates required; avoid classifying as 'parts' if fully assembled
Related Products under HTS 8481.30.90.00
Ball Check Valve for Air Compressors
Ball-style check valve using free-floating ball for backflow prevention in compressed air systems. HTS 8481.30.9000 covers such other check valves for tanks.
Inline Piston Check Valve
Inline piston check valve for hydraulic systems, with guided piston for precise sealing against back pressure. Under HTS 8481.30.9000 as other nonreturn valves.
Titanium Check Valve for Chemical Processing
Corrosion-resistant titanium check valve for aggressive chemical environments in processing plants, ensuring unidirectional flow. HTS 8481.30.9000 for other check valves in tanks/pipes.
Brass Swing Check Valve
A brass swing check valve prevents backflow in piping systems by using a hinged disc that swings open with forward flow and closes against reverse flow. It falls under HTS 8481.30.9000 as an 'other' check (nonreturn) valve not specified elsewhere in the subheading, designed for pipes, tanks, and boilers.
Stainless Steel Lift Check Valve
This stainless steel lift check valve uses a piston-like disc that lifts with forward flow and seats to block backflow, ideal for high-pressure applications. Classified under HTS 8481.30.9000 as an other check valve for pipes and tanks.
PVC Silent Check Valve
A PVC silent check valve minimizes water hammer with a spring-loaded disc for quiet, reliable backflow prevention in plumbing systems. It qualifies under HTS 8481.30.9000 for other nonreturn valves used in pipes and vats.