Carbon Steel Lift Check Valve
Carbon steel lift check valve for steam and hot water lines, featuring a vertically lifting disc to prevent reverse flow in boiler feed systems. HTS 8481.30.20 covers this iron/steel nonreturn valve design.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If only the valve internals/seats
Separate parts of check valves classify under parts provisions.
If as auxiliary boiler components
Integral boiler parts may classify with boiler assemblies.
If with non-ferrous internals dominating cost
Material value determines heading when steel is secondary.
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
• High-temperature applications require ASME stamping verification
• Specify carbon steel grade (e.g
• ASTM A216 WCB) for classification
Related Products under HTS 8481.30.20
Stainless Steel Ball Check Valve
Stainless steel ball check valve uses a ball and spring to block backflow in high-pressure hydraulic systems and chemical processing lines. HTS 8481.30.20 applies as it's a nonreturn valve constructed primarily of steel alloys.
Forged Steel Y-Type Check Valve
Forged steel Y-pattern check valve for oil & gas pipelines, offering angled flow path for reduced pressure drop in high-velocity applications. Falls under HTS 8481.30.20 as iron/steel check (nonreturn) valve.
Steel Silent Check Valve
Spring-assisted steel silent check valve eliminates slamming and water hammer in pump discharge lines through cushioned closure. HTS 8481.30.20 for iron/steel nonreturn valves used in municipal water systems.
Cast Steel Piston Check Valve
Heavy-duty cast steel piston check valve for power plant cooling water recirculation, with guided piston for reliable sealing. Classified HTS 8481.30.20 as steel check (nonreturn) valve.
Iron Wafer Check Valve
Space-saving iron wafer check valve sandwiched between flanges for tight piping installations in HVAC systems. HTS 8481.30.20 applies to this iron check (nonreturn) valve design.
Steel Horizontal Inline Check Valve
Horizontal inline steel check valve for compressed air mains and irrigation systems, maintaining full pipe flow alignment. Under HTS 8481.30.20 as iron/steel nonreturn valve.