PVC Sewer Pipe Coupling 6 Inch DWV
A slip-on coupling fitting of PVC used to join two 6-inch sewer pipes in non-pressure DWV configurations for wastewater transport. Falls under HTS 3917.40.00.50 as other non-pressure plumbing fittings essential for underground drainage networks. Solvent-weld design ensures leak-free connections in gravity-flow systems.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If a banded or clamp-type coupling
Certain mechanical couplings for DWV have specific subheadings apart from plain slip couplings.
If for high-pressure sewer applications
Pressure-rated PVC fittings for pressurized systems classify under different hose/pipe subheadings.
If imported in bulk as unfinished components
Unfinished plastic tubes or profiles may fall under baths/showers heading if not fully formed fittings.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Confirm compliance with IPC/NSPC standards and include test reports for solvent cement compatibility
• Use invoices specifying 'Schedule 40 DWV' to differentiate from pressure pipe Schedule 80
Related Products under HTS 3917.40.00.50
ABS Sanitary Cross Fitting 2 Inch DWV
A cross intersection fitting in ABS for four-way DWV pipe junctions in sanitary waste systems, non-pressure rated. HTS 3917.40.00.50 for other plastic DWV plumbing fittings. Used where multiple drains converge.
PVC Test Cap for DWV Inspection 6 Inch
Threaded test cap in PVC for temporarily sealing 6-inch DWV pipes during inspection or pressure testing (non-operational). Classified HTS 3917.40.00.50 as other non-pressure plumbing fittings. Removable for system verification.
PVC DWV Expansion Joint 3 Inch
Flexible expansion joint fitting in PVC for 3-inch DWV pipes to absorb thermal movement in long runs, non-pressure. HTS 3917.40.00.50 other DWV fittings. Prevents cracking in temperature-variable installs.
ABS Roof Vent Flash Collar 2 Inch
Flash collar fitting in ABS for sealing 2-inch DWV vent pipes through roofs, non-pressure plumbing component. Under HTS 3917.40.00.50 for other DWV fittings. Weatherproof design for exterior exposure.
PVC DWV Trap Adapter 1.5 Inch
Adapter for connecting sink traps to 1.5-inch DWV waste lines, slip or threaded PVC, non-pressure. HTS 3917.40.00.50 other plumbing fittings. Standard for kitchen/bathroom drains.
PVC Underground Drain Saddle 4 Inch
Saddle tee fitting for tapping into 4-inch PVC DWV drain pipes underground, non-pressure rated. Classifies in HTS 3917.40.00.50 as other DWV plumbing. Solvent-weld for branch lines.