Plastic Compression Coupling
A compression coupling fitting molded from polypropylene, used to join two plastic pipes without soldering by tightening a nut. Classified in HTS 3917.40.00 for its role as a plastic hose or pipe fitting. Ideal for irrigation and drainage systems.
Import Duty Rates by Country of Origin
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 reinforced with metal or fabric
Not-other fittings like those with rigid reinforcements go to specific subheadings in 3917.
If sold as part of a pump or fluid handling machine
Parts dedicated to machinery are classified with the machine under Chapter 84, not as standalone fittings.
If in article form for transport, not fluid fittings
Extruded plastic profiles not shaped as pipe fittings fall under heading 3923.
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Import Tips & Compliance
• Include test reports showing pressure ratings to support plumbing end-use classification
• Label clearly as 'fittings for tubes/pipes' to distinguish from general plastic parts
• Check for polymer purity; blends under 95% principal monomer may shift to 'Other' subheadings
Related Products under HTS 3917.40.00
PVC Elbow Fitting
A 90-degree elbow fitting made from polyvinyl chloride (PVC) plastic, used to connect two pipes at an angle in plumbing systems. It falls under HTS 3917.40.00 as a plastic pipe fitting designed for joining tubes or hoses. Commonly used in residential and commercial water supply lines.
PE Tee Junction Fitting
A T-shaped junction fitting injection-molded from polyethylene (PE), allowing three pipes to connect in plumbing or gas lines. It qualifies under HTS 3917.40.00 as a plastic fitting for tubes, pipes, or hoses. Widely used in low-pressure water distribution.
Nylon Hose Barb Fitting
A barbed connector fitting made from polyamide (nylon) plastic, inserted into rubber hoses for secure fluid transfer. Falls under HTS 3917.40.00 as a plastic fitting for hoses. Common in automotive fuel lines and air tools.
CPVC Threaded Adapter Fitting
A male-to-female threaded adapter from chlorinated polyvinyl chloride (CPVC), connecting plastic pipes to metal ones. Classified in HTS 3917.40.00 for plastic pipe fittings. Suited for hot water systems.
ABS Plastic Flange Fitting
A flat flange fitting from acrylonitrile butadiene styrene (ABS) plastic, bolted to pipes for easy disassembly. Under HTS 3917.40.00 as a plastic pipe flange fitting. Used in drainage and HVAC.
Polypropylene Ball Valve Fitting
A quarter-turn ball valve fitting made of polypropylene with integral fitting ends for pipe integration. Fits HTS 3917.40.00 if primarily a fitting, not appliance. For chemical processing lines.