Hand-Operated Iron Check Valve
A cast iron check valve manually operated to prevent backflow in piping systems, commonly used in water and wastewater lines. Classified under HTS 8481.80.3040 for other hand-operated valves of iron. Ensures one-way flow in tanks and boiler applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as a stopcock or globe valve
Specific valve types like globe have separate statistical suffixes within hand-operated iron.
If considered unfinished castings rather than functional valves
Plain iron castings without valve mechanisms fall under Chapter 73 articles of iron.
If having a pressure-reducing function
Pressure-reducing valves are excluded from 'other appliances' and have dedicated provisions.
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Import Tips & Compliance
• Provide flow diagrams and installation manuals to demonstrate hand-operation and prevent reclassification as automatic
• Label with maximum pressure and temperature ratings per ASME standards for compliance
• Avoid bundling with actuators; separate shipments prevent set classification 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.