Find HS Code and trade information for fan shroud

Fan Shroud

A fan shroud is a protective covering installed around a fan, typically in automotive, industrial, or computer applications, to improve airflow efficiency and protect the fan itself.

Material

Fan shrouds are commonly constructed from the following materials:

• Plastic: Most frequently ABS plastic, polypropylene, or similar polymers. Lightweight, cost-effective, and resistant to corrosion. Often used in automotive radiator fans and computer case fans.
• Metal: Aluminum is a prevalent choice due to its lightweight nature and heat dissipation properties. Steel is used in heavy-duty applications requiring greater durability.
• Fiberglass: Employed in high-performance applications like racing where weight reduction is critical and higher temperatures are expected.

Purpose

The primary purposes of a fan shroud are:

• Increased Airflow: By channeling air through the fan, shrouds prevent air from bypassing the fan blades, maximizing the volume of air moved. This is particularly important in applications where space is limited or airflow is naturally turbulent.
• Protection: Shields the fan blades from debris (leaves, dirt, branches, etc.) preventing damage and maintaining fan balance. Also protects objects from coming into contact with the rotating fan blades.
• Reduced Noise: Some shroud designs can minimize turbulence and reduce aerodynamic noise generated by the fan.
• Improved Cooling Efficiency: By directing airflow precisely where it's needed (e.g., through a radiator or heat sink), shrouds contribute to more effective cooling.

Function

A fan shroud functions by:

• Creating a Low-Pressure Zone: The shroud's shape and positioning help create a localized area of lower air pressure in front of the fan, drawing air in more efficiently.
• Directing Airflow: The shroud's geometry guides air through the fan blades and then directs it towards the intended cooling target.
• Minimizing Air Leakage: By sealing the gaps around the fan, shrouds prevent air from escaping around the perimeter, forcing it to flow through the fan.

Usage Scenarios

• Automotive Radiator Fans: A common application to improve engine cooling by maximizing airflow through the radiator.
• Computer Cooling: Used in CPU coolers, case fans, and GPU coolers to enhance heat dissipation.
• Industrial Machinery: Protecting fans used for cooling motors, generators, and other equipment.
• HVAC Systems: Directing airflow across condensers and evaporators.
• Racing Applications: Optimizing airflow for high-performance engines.

Common Types

• Fixed Shrouds: A single, non-adjustable shroud designed for a specific fan and application.
• Adjustable Shrouds: Allow for some degree of adjustment to optimize airflow based on specific operating conditions.
• Ducted Shrouds: Enclose the fan within a complete duct, providing maximum airflow control and efficiency.
• Universal Shrouds: Designed to fit a variety of fan sizes and applications, often requiring some modification.
• Open-Style Shrouds: Offer partial coverage, primarily for protection without significant airflow enhancement.

Based on the provided information, the following HS codes may be relevant to “fan shroud”:

• 8415908085: This HS code covers air conditioning machines, comprising a motor-driven fan and elements for changing the temperature and humidity, including those machines in which the humidity cannot be separately regulated; parts thereof. The “parts thereof” category could potentially include a fan shroud if it is considered a component of an air conditioning machine.

  • 84: Chapter 84 covers Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof.
  • 15: Heading 8415 covers Air conditioning machines and refrigeration/freezing equipment.
  • 90: Subheading 841590 covers Other air conditioning machines.
  • 80: Further specifies the type of machine.
  • 85: Further specifies the type of machine.

• 8479899599: This HS code covers machines and mechanical appliances having individual functions, not specified or included elsewhere in this chapter; parts thereof: Other machines and mechanical appliances: Other: Other Other. If the fan shroud is part of a larger machine not specifically covered elsewhere, this code may apply.

  • 84: Chapter 84 covers Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof.
  • 79: Heading 8479 covers Other machinery and mechanical appliances.
  • 89: Subheading 847989 covers Other machines and mechanical appliances.
  • 95: Further specifies the type of machine.
  • 99: Further specifies the type of machine.

Regarding HS code 8479899599, the total tax rate is 57.5%, comprising a 2.5% basic tariff and a 0% additional tariff. However, a 30% additional tariff will be applied after April 2, 2025, and a 25% additional tariff will be applied to steel or aluminum products.

Regarding HS code 8415908085, the total tax rate is 63.9%, comprising a 1.4% basic tariff and a 7.5% additional tariff. However, a 30% additional tariff will be applied after April 2, 2025, and a 25% additional tariff will be applied to steel or aluminum products.