Cast Iron Inline Check Valve 2-inch
2-inch cast iron inline check valve for compressed air lines in workshops, ensuring unidirectional flow with minimal pressure drop. HTS 8481.30.20.10 for iron check valves in boiler and pipe systems.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If enameled decorative
Painted iron valves for visible plumbing may be ornamental.
If for stationary boilers
Boiler-furnace specific valves under boiler parts.
Not sure which classification is right?
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Import Tips & Compliance
• Specify exact NPS size and pressure class (e.g
• 125#) in invoices
• Test for air-tightness and document to affirm valve performance
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.