Large Diameter Steel Tilting Disc Check Valve
48-inch steel tilting disc check valve for hydroelectric penstocks and large cooling water mains, minimizing head loss with 70-degree disc travel. HTS 8481.30.20 for industrial-scale iron/steel check valves.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If turbine-generator cooling
Power generation equipment parts classification.
If hydroelectric generator
Specific generator provisions override general 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
• Computational fluid dynamics validation
• Actuator mounting interface specs
• Oversize load permits/transport docs
Related Products under HTS 8481.30.20
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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.
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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.