Turbine Generator Coupling
A turbine generator coupling is a high-torque flexible coupling designed to connect vertical hydraulic turbine shafts to generators. It compensates for thermal expansion and alignment variations and can be disc or gear type. This is a part of the hydraulic turbine system 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:
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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
• Classify the coupling as a part of a hydraulic turbine, not as a general power transmission component
• Provide technical specifications and material certificates to CBSA
• Verify if the coupling meets Canadian engineering standards
Related Products under Tariff item 8410.90.00
Bulkhead Gate for Turbine Intake
A bulkhead gate is a heavy steel maintenance gate used to seal a turbine water intake during runner removal or inspection. It is pressure-rated for full head 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 provision 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. As a key rotating component, it is a part of the hydraulic turbine and falls under this tariff item.
Head Cover for Turbine
A head cover is a top steel cover plate that seals the upper chamber of a Francis turbine above the runner. It is designed to withstand hydraulic head pressure and includes lifting lugs for maintenance. This component is a part of the hydraulic turbine and is classified under 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 is specifically a regulator for a hydraulic turbine 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. As a part of the hydraulic turbine, it falls under this tariff item.