Find product HS Code and trade information for car wash pump

Car Wash Pump

A car wash pump is a specialized pump designed to deliver high-pressure water for cleaning vehicles. These pumps are integral components of both professional car wash systems and home-use pressure washers adapted for automotive detailing.

Material

Car wash pumps are constructed from materials resistant to corrosion and wear from various cleaning agents and water conditions. Common materials include:

• Stainless Steel: Provides excellent corrosion resistance and durability, often used for pump housings and internal components.
• Brass: Frequently used for pump heads and manifolds due to its strength and resistance to corrosion.
• Ceramic Pistons: Offer high wear resistance and extended lifespan, commonly found in higher-end models.
• Seals: Typically made from materials like Viton or Buna-N rubber to withstand chemical exposure and maintain a watertight seal.
• Aluminum: Used for some pump housings and components where weight reduction is desired.

Purpose

The primary purpose of a car wash pump is to generate and maintain a consistent high-pressure water flow for effective vehicle cleaning. This pressure is used for:

• Removing dirt, grime, and debris: High-pressure water dislodges contaminants from vehicle surfaces.
• Applying detergents and cleaning solutions: Pumps facilitate the mixing and delivery of cleaning agents.
• Rinsing: Thoroughly removing residual soap and dirt.

Function

Car wash pumps operate on the principle of positive displacement, meaning they force a fixed volume of water with each stroke. Key functional aspects include:

• Intake: Draws water from a source (typically a municipal water supply or a water tank).
• Pressure Generation: Increases water pressure through a reciprocating piston, crankshaft, and connecting rod mechanism.
• Flow Control: Regulates the volume of water delivered per unit of time (measured in gallons per minute or liters per minute).
• Pressure Regulation: Maintains a consistent output pressure, often adjustable by the user.
• Thermal Relief Valve: Prevents overheating by releasing excess pressure if the pump is operated without water flow.
• Unloader Valve: Recirculates water when the trigger is released, preventing damage to the pump and reducing strain on the motor.

Usage Scenarios

• Professional Car Washes: Automated and self-service car washes utilize robust, high-volume pumps for continuous operation.
• Detailing Shops: Detailers employ pumps for pre-wash, foam application, and rinsing.
• Home Use: Pressure washers adapted with car wash accessories are used for personal vehicle cleaning.
• Mobile Detailing: Portable pumps are used for on-site vehicle cleaning services.

Common Types

• Triplex Plunger Pumps: The most common type, known for their durability, high pressure output, and long lifespan. They feature three pistons for smooth operation.
• Axial Cam Pumps: Generally less expensive than triplex pumps, but have a shorter lifespan and lower pressure output.
• Diaphragm Pumps: Used in low-pressure applications, such as foam cannons and chemical injection systems.
• Rotary Vane Pumps: Less common in car wash applications, but can be used for specialized tasks.
• Gas-Powered Pumps: Provide portability and high power, ideal for locations without access to electricity.
• Electric-Powered Pumps: More common for professional and home use, offering quieter operation and lower emissions.

Key Specifications

• Pressure (PSI/Bar): Indicates the force of the water stream. Typical ranges from 1000-4000 PSI (69-276 Bar).
• Flow Rate (GPM/LPM): Determines the volume of water delivered per minute. Ranges vary widely depending on the pump type and application.
• Motor Horsepower (HP/kW): Indicates the power of the motor driving the pump.
• Maximum Water Temperature: Specifies the highest temperature water the pump can handle.
• Pump Head Material: Indicates the material used for the pump head, impacting durability and chemical resistance.

The declared goods, a car wash pump, fall under the category of machines and mechanical appliances with individual functions. Here's a breakdown of relevant HS codes based on the provided information:

• 8479.89.95.60: 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 Automotive maintenance machines”. Chapter 84 pertains to nuclear reactors, boilers, machinery and mechanical appliances; parts thereof. Heading 79 specifically addresses machines for specific industries, and Subheading 89 covers other machines. This code is applicable to car wash pumps as they are automotive maintenance machines. The total tax rate is 32.5%, comprised of a 2.5% base tariff, a 0.0% additional tariff, and a 30.0% additional tariff effective April 2, 2025.
• 8479.90.95.60: This HS code refers to “Machines and mechanical appliances having individual functions, not specified or included elsewhere in this chapter; parts thereof: Parts: Other Other”. This code would be relevant if the declared goods are parts of a car wash pump. Chapter 84 and Heading 79 are the same as above. The total tax rate is 55.0%, consisting of a 0.0% base tariff and a 25.0% additional tariff, increasing to 30.0% on April 2, 2025.

It is important to determine whether the declared goods are the complete car wash pump or merely components. If the goods are components, HS code 8479.90.95.60 would be more appropriate.