Plastic Compression Coupling Fitting
A compression-style coupling fitting from high-density polyethylene (HDPE) used to join two plastic pipes in plumbing installations without solvent welding. Classified under HTS 3917.40.00.80 as an 'other' plastic plumbing fitting for its role in connecting pipes securely. Commonly used in irrigation and water distribution systems.
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 standard socket or threaded type
Specific socket plumbing fittings have distinct statistical suffixes within the same heading.
If for retail sale in small consumer packs
Small plastic fittings under 38.1cm x 45.7cm packaged for household retail may qualify under heading 3921.
If integral to pumps or fluid machinery
Fittings as parts of pumps shift to pump parts classification in Chapter 84.
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Import Tips & Compliance
• Provide pressure rating and burst test documentation; label as plumbing-specific to distinguish from industrial hoses; watch for misclassification as Chapter 39 parts if sold unassembled
Related Products under HTS 3917.40.00.80
PVC Pipe Elbow Fitting
A 90-degree elbow fitting made from polyvinyl chloride (PVC) plastic, used to connect PVC pipes at angled turns in plumbing systems. It falls under HTS 3917.40.00.80 as a plastic plumbing fitting that is not a joint, specifically classified as 'other' plumbing fittings beyond standard categories. Designed for residential and commercial water supply lines.
ABS Drain Pipe Tee Fitting
A T-shaped fitting made from acrylonitrile butadiene styrene (ABS) plastic for branching drain, waste, and vent (DWV) plumbing pipes. It is categorized under HTS 3917.40.00.80 for other plastic plumbing fittings used in sanitary drainage systems. Ideal for residential bathroom and kitchen installations.
CPVC Hot Water Pipe Adapter Fitting
A transition adapter fitting from chlorinated polyvinyl chloride (CPVC) designed to connect CPVC pipes to other materials in hot/cold water plumbing. Falls under HTS 3917.40.00.80 as other plastic plumbing fittings rated for high-temperature applications up to 180°F. Used in potable water supply lines.
PEX Plumbing Barb Fitting
A barbed insert fitting made from cross-linked polyethylene (PEX) compatible plastic for crimping onto PEX tubing in plumbing manifolds. Classified in HTS 3917.40.00.80 as an other plastic plumbing fitting for flexible water lines. Essential for modern push-fit or crimp plumbing systems.
PP Compression Pipe Reducer Fitting
A polypropylene (PP) compression reducer fitting that connects pipes of different diameters in plumbing networks, adjustable via compression rings. Under HTS 3917.40.00.80 for other plastic plumbing fittings suitable for underground water mains. Resistant to corrosion and chemicals.
Nylon Threaded Plumbing Nipple Fitting
A short threaded nipple fitting from nylon (polyamide) plastic for extending plumbing connections between pipes or valves. HTS 3917.40.00.80 covers this as other plastic plumbing fittings with NPT threading. Used in low-pressure water and air systems.