HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
8413810040 | Doc | 55.0% | CN | US | 2025-05-12 |
8413919096 | Doc | 55.0% | CN | US | 2025-05-12 |
7326908688 | Doc | 82.9% | CN | US | 2025-05-12 |
Multifunctional Water Pump
A multifunctional water pump is a versatile device designed to move water for a variety of applications, differing from single-purpose pumps through its adaptability and range of features.
Materials:
Construction varies based on intended use and price point. Common materials include:
- Cast Iron: Durable and cost-effective, often used in housings for general-purpose pumps.
- Stainless Steel: Corrosion-resistant, ideal for potable water, irrigation, and applications involving potentially corrosive liquids. Grades like 304 and 316 are common.
- Thermoplastic (e.g., Polypropylene, PVC): Lightweight and resistant to many chemicals; used in housings, impellers, and other components, particularly in lower-duty applications.
- Aluminum: Lightweight and good for certain applications, though less corrosion-resistant than stainless steel.
- Brass: Used for fittings and components requiring corrosion resistance and machinability.
- Elastomers (e.g., Rubber, Neoprene): Used for seals, gaskets, and diaphragms.
Purpose:
The primary purpose is the transfer of water. However, “multifunctional” indicates capabilities beyond simple water movement. These can include:
- Water Supply: Providing water from wells, tanks, or reservoirs for domestic, agricultural, or industrial use.
- Drainage: Removing water from flooded areas, basements, or construction sites.
- Irrigation: Delivering water to crops or lawns.
- Circulation: Moving water in ponds, fountains, or cooling systems.
- Boosting Pressure: Increasing water pressure in existing systems.
- Spraying: Providing water at higher pressures for cleaning or agricultural applications.
Function:
Multifunctional pumps operate based on several core principles, often combining these:
- Centrifugal Force: The most common type; an impeller rotates, creating centrifugal force that pushes water outwards. Suitable for high flow rates and relatively low pressure.
- Positive Displacement: Uses a reciprocating piston, gears, or lobes to physically displace water. Provides consistent flow rates and higher pressures, but typically lower flow rates than centrifugal pumps.
- Diaphragm: Uses a flexible diaphragm to create suction and discharge water. Suitable for handling abrasive or viscous fluids.
- Submersible: The pump and motor are sealed in a watertight housing and submerged in the water source.
- Self-Priming: Designed to remove air from the suction line, allowing the pump to start without needing to be manually primed.
Usage Scenarios:
- Residential: Well water systems, sump pumps, boosting water pressure, irrigation, pool/spa circulation.
- Agricultural: Irrigation, livestock watering, drainage, transferring water between tanks.
- Construction: Dewatering excavation sites, pumping water for concrete mixing, drainage.
- Industrial: Process water transfer, cooling systems, chemical transfer (with appropriate pump materials).
- Emergency Services: Flood control, fire suppression.
- RV/Marine: Providing water pressure and circulation in recreational vehicles and boats.
Common Types:
- Centrifugal Pumps: General-purpose, high flow, lower pressure. Subtypes include end-suction, inline, and multistage.
- Self-Priming Pumps: Convenient for applications where the pump is not always submerged.
- Jet Pumps: Use a jet of water to create suction; often used for shallow wells.
- Diaphragm Pumps: Suitable for abrasive fluids and precise dosing.
- Submersible Pumps: Efficient and quiet; ideal for wells, tanks, and drainage.
- Trash Pumps: Designed to handle water containing solids; used for dewatering and construction.
- Booster Pumps: Increase water pressure in existing systems.
- Utility Pumps: Portable, general-purpose pumps for various applications.
- Hand Pumps: Manually operated, used for wells or emergency situations.
Based on the provided information, the following HS codes may be relevant to “multifunctional water pump”:
- 8413810040: Pumps for liquids, whether or not fitted with a measuring device; liquid elevators; part thereof: Other pumps; liquid elevators: Pumps Other. This HS code covers pumps for liquids, and includes those that may be multifunctional, provided they are categorized as 'Other pumps'. The total tax rate is 55.0%, comprised of a 0.0% base tariff and a 25.0% additional tariff, increasing to 30.0% after April 2, 2025.
- 8413919096: Pumps for liquids, whether or not fitted with a measuring device; liquid elevators; part thereof: Parts: Of pumps: Other Other. If the “multifunctional water pump” is being imported as parts for a pump, this HS code applies. The total tax rate is also 55.0%, with a 0.0% base tariff and a 25.0% additional tariff, increasing to 30.0% after April 2, 2025.
According to the provided reference material, the HS code options related to 'multifunctional water pump' are limited, with only the following 2 found.