Cast Iron Butterfly Valve
Hand-wheel operated cast iron butterfly valve for throttling flow in HVAC and water systems connected to tanks. Under HTS 8481.80.3040 for other hand-operated iron valves. Lightweight design for large diameter pipes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If of steel rather than iron
Steel butterfly valves fall under parallel 'other' steel provisions.
If for monel or alloy construction
Special alloys like monel shift to 'other metal' valves excluding iron/steel.
If imported in bulk as unfinished castings
Unmachined cast iron shapes classify as cast articles, not valves.
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
• Document wafer-style disc design to confirm butterfly classification vs gate
• Comply with NSF/ANSI 61 for potable water contact certification
• Declare EPDM liner materials separately if over de minimis to avoid textile issues
Related Products under HTS 8481.80.30.40
Iron Lift Check Valve
Hand-serviceable cast iron lift check valve for vertical flow prevention in sump tanks. HTS 8481.80.3040 as other hand iron appliance. Spring-assisted lift disc.
Hand Iron Relief Valve
Manually adjustable cast iron pressure relief valve for overpressure protection in boilers. Under HTS 8481.80.3040 other hand-operated iron. Reseat type.
Malleable Iron Spigot Valve
Rotary hand spigot valve of malleable iron for faucet and tank outlet control. HTS 8481.80.3040 other iron hand valves. Tapered plug design.
Cast Iron Diverter Valve
Hand-lever cast iron diverter valve for directing flow between tank outlets. Classifies HTS 8481.80.3040 as other hand iron. Two-position switching.
Iron Sampling Valve
Hand-operated cast iron sampling valve for process line extraction to test tanks. HTS 8481.80.3040 other iron hand appliance. Needle-type port.
Cast Iron Gate Valve
A hand-operated gate valve made of cast iron, used to control the flow of fluids in pipelines by raising or lowering a gate. It falls under HTS 8481.80.3040 as a hand-operated valve of iron, other than specific types like ball or globe valves. Designed for pipes, tanks, and boiler systems in industrial and plumbing applications.