Heavy Duty Iron Wafer Check Valve
Heavy-duty wafer-style check iron valve sandwiched between pipe flanges, used in industrial slurry lines to resist abrasion. Classified as HTS 8481.30.20.10 for iron check valves in harsh pipe environments.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If integral to mining machinery
Machinery-embedded valves classify under the host equipment chapter.
If of iron but as parts
Specific iron valve parts have dedicated subheadings.
Not sure which classification is right?
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Import Tips & Compliance
• Submit API 594 compliance certs for wafer design validation
• Detail internal coatings if any, to confirm base iron material
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.
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.
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.