Adjustable Manhole Ring Frame Set
Stackable nonmalleable cast iron rings and frame for customizable manhole depths in municipal sewer systems. The rings adjust height while the frame secures the cover. HTS 7325.10.0010 covers these as manhole rings and frames.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If flanged for pipe connection rather than cover support
Pipe fittings of cast iron are under heading 7307.
If made of grinding balls material but shaped similarly
Specific cast steel shapes have dedicated subheadings.
If bases for industrial pumps in wastewater plants
Pump parts classification applies based on principal use.
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
• Classify as individual articles unless marketed and sold as inseparable sets
• Include installation manuals to demonstrate utility infrastructure end-use
• Check for quotas on cast iron products from high-volume exporters
Related Products under HTS 7325.10.00.10
Ductile Iron Manhole Cover
A heavy-duty circular cast iron cover designed to securely seal sewer or utility access points in streets and sidewalks. Made of nonmalleable cast iron, it features a checkered pattern for traction and lifting holes for installation. Classified under HTS 7325.10.0010 as a manhole cover of nonmalleable cast iron.
Cast Iron Manhole Ring
A nonmalleable cast iron ring that supports and adjusts the height of manhole covers in underground utility systems. It interlocks with frames to provide a stable mounting surface. Falls under HTS 7325.10.0010 due to its cast iron construction specifically for manhole applications.
Nonmalleable Cast Iron Manhole Frame
A robust frame cast from nonmalleable iron that anchors manhole covers in roadways, featuring flanges for secure bolting. It supports heavy traffic loads and prevents cover displacement. HTS 7325.10.0010 applies as it is expressly listed for manhole frames of cast iron.
Heavy Duty Sewer Manhole Cover
A thick nonmalleable cast iron lid for sewer manholes, rated for high traffic areas with anti-slip surface and lockable design. It withstands over 40-ton loads per EN 124 standards. Classified in HTS 7325.10.0010 for its specific manhole cover function from cast iron.