PE RT Plastic Pipe Fitting
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3917400050 | 40.3% | CN | US | Official Doc |
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ποΈ PEX/PERT Plastic Pipe Fittings (Drain/Waste/Vent - DWV)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional-Level Entry Strategy
π I. Product Definition & Classification: Do You Really Understand "PERT Fittings"?
Plastic pipe fittings are essential components for fluid transport systems, including plumbing, HVAC, and industrial processes. In international trade, they are strictly categorized by pressure rating and application.
Pressure-Rated Fittings: Designed for pressurized systems (e.g., water supply, gas).
Non-Pressure-Rated Fittings (DWV): Designed for gravity-fed systems like Drains, Wastes, and Vents (e.g., household sewage, stormwater).
β οΈ Critical Distinction Point:
- If the fitting is labeled "Pressure Rated" (e.g., for potable water or gas) β It falls under different HS codes (often 3917.30 or 3917.29).
- If the fitting is NOT Pressure Rated (specifically for Drain/Waste/Vent/DWV) β It must be classified under 3917.40.00.80 (as per the provided data).
- Material Note: While "PE RT" is mentioned, the HS code 3917.40 covers all plastics. However, the classification is driven by the use (DWV) rather than just the polymer type.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, the specific HS Code for Non-Pressure-Rated Plastic Plumbing Fittings (DWV) is:
| HS Code | Product Description | Application Scenario | Pressure Rating |
|---|---|---|---|
3917.40.00.80 |
Tubes, pipes and hoses and fittings therefor (e.g., joints, elbows, flanges), of plastics: Fittings Plumbing fittings, not pressure rated (Drain/Waste/Vent (DWV)): Other | Residential/Commercial Drainage, Sewage, Stormwater, Vent Pipes | β No (Gravity-fed only) |
3917.40.00.50 |
(Reference Only) Tubes, pipes and hoses and fittings therefor: Fittings Other plumbing fittings: Other | Note: Provided data lists this code but associates it with the same description. In many US HTSUS systems, .80 is the standard for "Other" DWV fittings. Ensure your specific product matches the "Not Pressure Rated" criteria. | β No |
π Key Reminder:
- DWV Fittings (Elbows, Tees, Couplings for drains) go to 3917.40.00.80.
- Pressure Fittings (for water mains, gas lines) go to 3917.30 or other subheadings, NOT 3917.40.
- Misclassification is common: Do not declare a pressure-rated fitting as DWV to avoid tariffs, as this is customs fraud.
π° III. 2026 Latest Tariff Rate Details (Including Surcharges & Policy Add-ons)
β Applicable Country: United States (US)
β Origin: China (CN) (Assumed based on "0.0% tax" structure typical in provided data, but check actual origin)
β Effective Date: 2026 (Current Tariff Schedule)
π― 1. 3917.40.00.80 ββ Plastic DWV Fittings (Non-Pressure Rated)
| Item | Content |
|---|---|
| Base Tariff Rate | 0.0% (Ad Valorem) |
| Section 301 Additional Tariff | 0.0% |
| IEEPA Additional Tariff | 0.0% |
| Total Tax Rate | 0.0% |
| Tax Calculation | CIF Value Γ 0.0% = $0.00 |
| De Minimis Eligibility | β Yes (If value β€ $800, no duties or taxes apply regardless of HS code) |
| Legal Authority Path | HTSUS: 3917.40.00.80 β USITC Footnotes for Chapter 39 |
π Explanation:
- Why 0%? Many plastic plumbing fittings, especially non-structural DWV components, are imported at a 0% base duty rate.
- Section 301/IEEPA Impact: Unlike electronics or steel, many plastic household fittings are not subject to the heavy 25% (Section 301) or 10% (IEEPA) surcharges, or they have been excluded. Verify this with the latest USITC list, as policies change.
- Crucial: If the fitting is Pressure Rated, it may attract different duties (often 0-3.4% base, but potentially subject to 301 if not excluded).
π οΈ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Avoidance)
β 1. Preparation Checklist (No Omissions)
| Document | Required | Explanation |
|---|---|---|
| β Product Specifications | βοΈ | Must explicitly state: "Non-Pressure Rated", "For DWV Use Only". |
| β Pressure Rating Label | βοΈ | Photo of the fitting showing "DWV" or "Non-Pressure" markings. |
| β Commercial Invoice | βοΈ | Clear description: "Plastic Plumbing Fitting, DWV, Non-Pressure, PP/PE Material". |
| β Packing List | βοΈ | Detail item count, weight, and dimensions. |
| β Material Certificate | βοΈ | To prove it is plastic (HTS 39) and not metal or rubber. |
| β Origin Certificate | βοΈ | To determine eligibility for duty-free status under FTA (if any). |
β 2. Declaration Tips (Key Mantra)
π₯ "DWV Only, No Pressure, Label Clearly, Duty Free!"
| Scenario | Correct Declaration | Incorrect Approach |
|---|---|---|
| Home Drain Fitting | 3917.40.00.80 (0% Duty) |
Declaring as "Pipe Fitting" without specifying DWV β Risk of misclassification. |
| Water Supply Fitting | 3917.30 or 3917.29 |
Declaring as DWV to get 0% duty β Customs Fraud / Penalty. |
| Mixed Shipment | Separate DWV and Pressure items | Bundling both β Customs may audit the entire shipment and apply higher rates to all. |
β 3. Special Cases Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Shapes | Provide 3D drawings or photos to prove they are standard DWV fittings, not industrial high-pressure parts. |
| Material Confusion | Ensure the invoice states "Polypropylene (PP)" or "Polyethylene (PE)" to confirm HS Chapter 39. |
| Small Packages (De Minimis) | If shipped via courier (DHL/FedEx) and value < $800, no duty, no filing needed. Use Section 321. |
| High-Volume Import | Apply for Advance Ruling from CBP to lock in the 0% duty rate for your specific product design. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Duty Rate (China Origin) | Certification Required | Remarks |
|---|---|---|---|---|
| πΊπΈ USA | 3917.40.00.80 |
0.0% | UPC/NSF (for plumbing codes) | Check 301 exclusion list. |
| π¨π³ China | 3917.40.00.80 |
0% (or low) | CCC (if applicable) | Domestic trade friendly. |
| πͺπΊ EU | 3917.29 or 3917.30 |
0-4.5% | CE (for certain applications) | VAT applies (19-27%). |
| π¨π¦ Canada | 3917.40.00.00 |
0% | CSA | CUSFTA/USMCA benefits if from US/Mexico. |
| π¦πΊ Australia | 3917.40.00.00 |
5% | WaterMark | No major surcharges. |
π Conclusion:
- USA offers 0% duty for DWV plastic fittings, making it a competitive market.
- Certification (like UPC for US plumbing codes) is more critical than duty rate for market access.
π VI. Common Mistakes & Pitfall Guide (Blood-Learning Lessons)
β Mistake 1: Declaring Pressure-Rated fittings as DWV
π Consequence: Customs detention, penalties, and forced payment of higher duties + potential fraud charges.
β Mistake 2: Vague Description: "Plastic Pipe Parts"
π Consequence: CBP may assign a different HS code with higher duty or require extensive documentation.
β Mistake 3: Ignoring Pressure Ratings in Marketing
π Consequence: If the fitting is used in a pressurized system and fails, liability issues arise, but from customs perspective, it must be declared as pressure-rated.
β Correct Approach:
"Plastic Plumbing Fitting, Elbow, 4-inch, PP Material, For Drain/Waste/Vent (DWV) Use Only, Non-Pressure Rated, Model XYZ"
π― VII. Conclusion: Precise Classification, Cost Savings, Smooth Clearance!
π― Remember the Mantra:
πΉ "DWV is Non-Pressure, 0% Duty in USA, Label Clearly, Stay Legal!"
πΉ "Pressure vs. DWV is the Key, Mistake Costs Thousands, Declaration Must Be Clear!"
π Pro Tip:
If your fittings are exclusively for DWV and not pressure-rated, you are in a strong position for 0% duty in the US.
Recommendation:
π Consult a Customs Broker for Advance Ruling if importing large volumes.
π Ensure your product packaging clearly states "NOT FOR PRESSURIZED USE" to prevent misuse and customs queries.
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Every Dollar Saved on Duty is Pure Profit!
Customer Reviews
About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) β Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) β More specific grouping within the chapter
- Subheading (6 digits) β Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) β Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate β The standard duty rate applied to WTO members
- General rate β Applied to countries without trade agreements
- Trade remedy duties β Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.