Turbine Draft Tube
A turbine draft tube is a conical or elbow-shaped tube that recovers kinetic energy from water exiting hydraulic turbine runners, improving overall efficiency. It is fabricated from welded steel plate. This draft tube is a part of the hydraulic turbine and falls under this tariff item.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide the draft tube's dimensions and material specifications to CBSA
• Ensure the draft tube is classified as a turbine part, not as a general piping component
• Check for duty relief if the draft tube is for a hydroelectric project
Related Products under Tariff item 8410.90.00
Bulkhead Gate for Turbine Intake
A bulkhead gate for a turbine intake is a heavy steel maintenance gate used to seal the water intake during runner removal or inspection. It is designed to withstand full hydraulic head pressure and includes provisions for hydraulic hoisting. This gate is a part of the hydraulic turbine system, specifically used for maintenance and safety, and falls under the parts category of this tariff item.
Francis Turbine Runner
A Francis turbine runner is a mixed-flow impeller used in medium-head hydroelectric installations. It features adjustable guide vanes for optimal performance and is made from high-strength alloys to withstand water pressure. This runner is a critical component of the hydraulic turbine and is classified as a part under this tariff item.
Head Cover for Turbine
A head cover for a turbine is a top steel cover plate that seals the upper chamber of Francis turbines above the runner. It is designed to withstand hydraulic head pressure and includes lifting lugs for maintenance. This cover is a structural part of the hydraulic turbine and falls under the parts category of this tariff item.
Hydraulic Turbine Governor
A hydraulic turbine governor is an electronic-mechanical regulator that maintains constant turbine speed by adjusting wicket gates or blade pitch based on load changes. It includes PID controllers and hydraulic actuators. This governor is specifically a 'regulator' for hydraulic turbines and falls under this tariff item.
Kaplan Turbine Blades
Kaplan turbine blades are adjustable propeller blades used in low-head, high-flow hydroelectric sites. They allow pitch variation for efficiency and are typically cast from stainless steel or bronze alloys. These blades are parts of hydraulic turbines and fall under this tariff item.
Pelton Wheel Runner
A Pelton wheel runner is a key rotating component of Pelton turbines used in high-head hydroelectric power plants. It features bucket-shaped cups designed to efficiently capture kinetic energy from high-velocity water jets. This runner is a part of the hydraulic turbine and falls under this tariff item.