Ductile Iron Dual Plate Check Valve
Compact dual plate check valve made from ductile iron for HVAC and water distribution systems, minimizing water hammer with two spring-loaded plates. Classified in HTS 8481.30.20 as a steel/iron check valve for backflow prevention.
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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 for aircraft or specialized industrial use
Certain high-spec check valves for aerospace go under specialized subheadings.
If imported in bulk as unfinished castings
Unfinished iron articles without valve assembly classify as other castings.
If wafer or wafer-lug pattern specifically noted
Statistical suffixes may separate wafer-type from full flanged check valves.
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Import Tips & Compliance
• Submit material test reports proving ductile iron properties versus standard cast iron
• Document flange ratings (ANSI 150-300) for proper valuation
Related Products under HTS 8481.30.20
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