Cast Iron Lift Check Valve
Cast iron lift check valve with a piston-like disc that lifts vertically to allow flow and drops to seal against backflow, ideal for horizontal or vertical installations in plumbing systems. It falls under HTS 8481.30.20.10 due to its iron construction and nonreturn design for pipes and tanks.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If alloy iron construction
Alloyed iron variants may shift to different statistical suffixes within iron check valves.
If specifically for pumps
Valves integral to pump assemblies classify under pump parts by end-use.
If with integrated measuring devices
Valves combining shutoff with flow measurement functions move to measuring appliances.
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
• Include hydrostatic test reports showing pressure ratings to substantiate use in pipe systems
• Label products clearly as 'check valves of iron' to match HTS description and avoid reclassification
• Be cautious of imported sets with gaskets; declare as complete valve or risk parts classification
Related Products under HTS 8481.30.20.10
Iron Swing Check Valve
A swing-type check valve made entirely of cast iron, featuring a hinged disc that swings open with forward flow and closes to prevent backflow in piping systems. Classified under HTS 8481.30.20.10 as a nonreturn valve of iron, designed for use in water, wastewater, or industrial pipelines to protect pumps and equipment from reverse flow.
Ductile Iron Silent Check Valve
Ductile iron silent check valve designed to minimize water hammer with a spring-assisted disc for quiet operation in HVAC piping systems. It qualifies under HTS 8481.30.20.10 as an iron nonreturn appliance for boilers and tanks.
Iron Foot Check Valve
Cast iron foot check valve with integral strainer for well pump suction lines, combining filtration and backflow prevention. Under HTS 8481.30.20.10 as an iron nonreturn appliance for tanks and pipes.
Iron Spring Loaded Check Valve
Spring-loaded cast iron check valve for quick response in variable flow pumping systems, ideal for sewage ejector applications. Classified HTS 8481.30.20.10 as iron nonreturn for tanks.
Malleable Iron Check Valve
Malleable cast iron check valve with superior ductility for vibration-prone HVAC ducts, preventing air backdraft. HTS 8481.30.20.10 for iron pipe appliances.
Iron Disc Check Valve for Boilers
Heavy cast iron disc check valve rated for boiler feedwater lines, ensuring no steam backflow into feed pumps. Under HTS 8481.30.20.10 explicitly for boiler shells.