Ductile fittings
Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: > Cast fittings: > Other: > Ductile fittings
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Subheadings
Products classified under HTS 7307.19.30
Ductile Iron Flanged Elbow 90 Degree
A 90-degree elbow fitting made from ductile iron with flanged ends, used for connecting cast iron pipes in water distribution systems. It falls under HTS 7307.19.30 as a cast ductile fitting designed for high-pressure piping applications. The ductile properties provide superior strength and flexibility compared to gray iron fittings.
Ductile Iron Mechanical Joint Tee
A tee fitting with mechanical joint ends cast from ductile iron, used for branching water mains in municipal infrastructure. HTS 7307.19.30 applies to these cast ductile fittings engineered for gasket-sealed, high-pressure connections. Provides elongation and impact resistance essential for underground applications.
Ductile Iron Double Flanged Adapter
Double-flanged adapter cast from ductile iron to transition between flanged and mechanical joint pipe ends. HTS 7307.19.30 classification for this cast ductile fitting used in waterworks transitions. Ensures leak-proof connections in pressure piping networks.
Ductile Iron Dismantling Joint
Adjustable dismantling joint fitting made from ductile cast iron for easy pipe section removal in maintenance. Classified HTS 7307.19.30 for cast ductile construction in water supply lines. Allows axial movement and disassembly without cutting pipes.
Ductile Iron Cross Fitting
Four-way cross fitting cast from ductile iron with flanged outlets for complex water distribution branching. HTS 7307.19.30 covers these cast ductile fittings for high-integrity multi-directional flow. Used where space constraints require compact manifold solutions.
Ductile Iron Bell Joint Adapter
Bell joint adapter fitting cast ductile iron connecting push-on bell to plain end pipe sections. Under HTS 7307.19.30 as specialized cast ductile fitting for legacy water systems. Provides secure, restrained joint without mechanical glands.
Ductile Iron Spectacle Blind Flange
Spectacle blind flange pair cast from ductile iron for positive shutoff in piping systems. HTS 7307.19.30 for these cast ductile fittings used in maintenance isolation. Combines blind and spacer functions in single assembly.
Ductile Iron Laterals 45 Degree
45-degree lateral fitting cast ductile iron for angled service taps from water mains. Classified under HTS 7307.19.30 as cast ductile pipe fittings for utility connections. Optimizes flow entry angle to minimize turbulence.
Ductile Iron MJ x Flange Transition
Mechanical joint to flange transition fitting cast from ductile iron for equipment connections. HTS 7307.19.30 applies to this cast ductile adapter in pump and valve installations. Simplifies mixed joint system integration.
Ductile Iron Offset Adapter
Offset adapter fitting cast ductile iron correcting pipe misalignment in installations. Under HTS 7307.19.30 for cast ductile fittings providing alignment flexibility. Essential for imperfect trench conditions.
Ductile Iron Reducing Bend
Radius reducing bend fitting cast from ductile iron combining size change and direction turn. HTS 7307.19.30 classification for complex cast ductile pipe fittings. Used where space limits straight reducers plus elbows.
Ductile Iron Tap-On Saddle
Tap-on saddle fitting cast ductile iron for direct service connections to water mains. Classified HTS 7307.19.30 as cast ductile branch fittings for municipal tapping. Provides reinforcement at penetration point.
Ductile Iron Grooved Reducing Coupling
A reducing coupling with mechanical grooved ends made from ductile cast iron, ideal for joining pipes of different diameters in fire protection systems. Classified under HTS 7307.19.30 for its cast ductile construction suitable for demanding fluid handling. Grooved design allows quick, flexible installation without welding.
Ductile Iron Push-On Joint Cap
A push-on end cap fitting cast from ductile iron for sealing pipe ends in water transmission lines. Falls under HTS 7307.19.30 as a cast ductile pipe fitting with bell-and-spigot design for easy installation. Resistant to corrosion and cracking in buried service.
Ductile Iron Eccentric Reducer
Eccentric reducer fitting cast in ductile iron with flanged connections for size transitions in drainage systems. Under HTS 7307.19.30 as cast ductile pipe fittings preventing air pockets in flow. Essential for maintaining hydraulic efficiency in municipal sewers.