Found 5 matching results
(CN → US)
| HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
|---|---|---|---|---|---|
| 2942005000 | Doc | 58.7% | CN | US | 2025-05-12 |
| 2942000300 | Doc | 55.0% | CN | US | 2025-05-12 |
| 8405100000 | Doc | 55.0% | CN | US | 2025-05-12 |
| 8405900000 | Doc | 55.0% | CN | US | 2025-05-12 |
| 8479899550 | Doc | 32.5% | CN | US | 2025-05-12 |
Gas Source Processor
A gas source processor is a device used to purify, condition, and deliver gases for various analytical and industrial applications. These processors ensure a stable, clean, and precisely controlled gas supply, crucial for accurate and reliable operation of equipment relying on gaseous inputs.
Materials:
Construction materials vary based on the gases handled and the required purity levels. Common materials include:
- Stainless Steel: Widely used for its corrosion resistance and durability, particularly for handling inert gases and common process gases. Grades like 304 and 316 are frequently employed.
- Aluminum: Lightweight and suitable for certain gases, offering good corrosion resistance in specific environments.
- PTFE (Teflon): Used for seals, tubing, and components requiring chemical inertness and resistance to a wide range of gases.
- Ceramics: Employed in high-temperature applications or when handling corrosive gases.
- Special Alloys: Used for highly corrosive or reactive gases, such as hydrogen or fluorine.
Purpose:
The primary purpose of a gas source processor is to take raw or impure gas and transform it into a usable form for specific applications. This involves:
- Purification: Removing contaminants like water, oxygen, hydrocarbons, and particulate matter.
- Drying: Reducing the water content to prevent corrosion and interference with analytical measurements.
- Pressure Regulation: Maintaining a constant and stable gas pressure.
- Filtration: Removing particulate matter and debris.
- Gas Mixing (optional): Combining multiple gases to create a specific gas composition.
Function:
A typical gas source processor incorporates several key components:
- Gas Inlet: Connection point for the raw gas supply.
- Filters: Remove particulate matter and debris. Often includes pre-filters and final filters.
- Desiccants: Materials like molecular sieves or silica gel to remove water vapor.
- Purification Columns: Contain materials to remove specific contaminants (e.g., oxygen scavengers, hydrocarbon traps).
- Pressure Regulators: Control and maintain the desired output pressure. Single-stage and two-stage regulators are common.
- Flow Meters: Measure and control the gas flow rate.
- Pressure Gauges: Monitor the input and output pressure.
- Solenoid Valves: Control the gas flow on/off.
- Mixing Chambers (optional): Blend multiple gases to achieve a specific composition.
- Output Port: Connection point for the gas delivery line.
Usage Scenarios:
Gas source processors are essential in a wide range of applications:
- Analytical Instrumentation: Gas Chromatography (GC), Mass Spectrometry (MS), Plasma-Enhanced Chemical Vapor Deposition (PECVD), Inductively Coupled Plasma (ICP)
- Semiconductor Manufacturing: Providing high-purity gases for etching, deposition, and doping processes.
- Laboratory Research: Supplying gases for various experiments and processes.
- Environmental Monitoring: Providing gases for calibration and analysis.
- Industrial Processes: Providing gases for welding, cutting, and other applications.
- Medical Applications: Supplying gases for anesthesia, respiratory therapy, and other medical procedures.
Common Types:
- Single-Gas Processors: Designed for purifying and delivering a single gas.
- Multi-Gas Processors: Capable of handling and purifying multiple gases simultaneously.
- Custom-Built Processors: Designed to meet specific application requirements.
- Point-of-Use Purifiers: Located directly at the analytical instrument or process equipment.
- Central Gas Supply Systems: Provide purified gases to multiple locations.
- Pressure Swing Adsorption (PSA) Systems: Use adsorption to separate gases based on their molecular weight and polarity.
- Membrane-Based Systems: Use membranes to selectively separate gases.
Based on the provided information, the declared goods "gas source processor" can be classified under the following HS codes:
- 8405.10.00.00: Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers. This HS code covers generators specifically designed for producing producer gas, water gas, or acetylene gas, and includes those equipped with purifiers.
- 8405.90.00.00: Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers; parts thereof: Parts. This HS code is for parts used with the generators described in 8405.10.00.00.
Explanation of HS Code Structure:
- 84: Chapter 84 covers Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof.
- 05: Heading 84.05 specifically covers Producer gas or water gas generators, acetylene gas generators, and similar water process gas generators.
- 10: Subheading 8405.10.00.00 further defines the generators themselves.
- 90: Subheading 8405.90.00.00 defines parts for those generators.
According to the provided reference material, the HS code options related to 'gas source processor' are limited, with only the following 2 found.