Machinery; for filtering or purifying liquids, n.e.c. in item no. 8421.2

HS v2022 Code: 842129

About machinery; for filtering or purifying liquids, n.e.c. in item no. 8421.2

HS code 842129 covers a wide range of machinery used for filtering or purifying liquids in various industrial and commercial applications. These machines play a crucial role in ensuring the quality and purity of liquids, making them essential components in industries such as water treatment, chemical processing, pharmaceuticals, and food and beverage production. The demand for these machines is driven by the increasing focus on environmental sustainability, water conservation, and the need for efficient liquid processing across diverse sectors.

Production process

The production of machinery under HS code 842129 typically involves a combination of precision engineering, advanced manufacturing techniques, and specialized components. Key steps in the production process include the fabrication of the machine's housing and structural components, the installation of filtration or purification mechanisms (such as membranes, centrifuges, or ion exchange resins), the integration of control systems and instrumentation, and the final assembly and testing of the complete unit.

Production inputs

The main inputs required for the production of machinery under HS code 842129 include a variety of raw materials, such as metals (e.g., stainless steel, aluminum), plastics, and specialized filtration media. Additionally, these machines require advanced components, such as motors, pumps, valves, and electronic control systems. Manufacturers also rely on specialized tools, equipment, and skilled labor to ensure the precision and quality of the final products.

Production outputs

The primary output of HS code 842129 is machinery designed for filtering or purifying liquids, which can be used in a wide range of industries. These machines may find applications in 842121 Machinery; for filtering or purifying water, 842123 Machinery; for filtering or purifying beverages, 842129 Machinery; for filtering or purifying liquids, n.e.c. in item no. 8421.2, and 842139 Machinery; for filtering or purifying gases, n.e.c. in item no. 8421.3, among others. The efficient and reliable operation of these machines is crucial for maintaining product quality, reducing waste, and ensuring compliance with environmental regulations.

Revisions to 842129

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 842129. The most recent 1 version of this code (842129) is in the HS v2022 system (this version):

This page shows the most recent version of code 842129.

Family tree for machinery; for filtering or purifying liquids, n.e.c. in item no. 8421.2

    graph LR
    A["<a href='/classifications/hs/v2022/84'>84: Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof</a>"]
A --> B["<a href='/classifications/hs/v2022/8421'>8421: Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus for liquids or gases</a>"]
B --> C["<a href='/classifications/hs/v2022/842129'>842129: Machinery; for filtering or purifying liquids, n.e.c. in item no. 8421.2</a>"]

    B --> D["<a href='/classifications/hs/v2022/842111'>842111: Centrifuges; cream separators</a>"]
B --> E["<a href='/classifications/hs/v2022/842112'>842112: Centrifuges; clothes-dryers</a>"]
B --> F["<a href='/classifications/hs/v2022/842119'>842119: Centrifuges; n.e.c. in heading no. 8421, including centrifugal dryers (but not clothes-dryers)</a>"]
B --> G["<a href='/classifications/hs/v2022/842121'>842121: Machinery; for filtering or purifying water</a>"]
B --> H["<a href='/classifications/hs/v2022/842122'>842122: Machinery; for filtering or purifying beverages other than water</a>"]
B --> I["<a href='/classifications/hs/v2022/842123'>842123: Machinery; filtering or purifying machinery, oil or petrol filters for internal combustion engines</a>"]
B --> J["<a href='/classifications/hs/v2022/842131'>842131: Machinery; intake air filters for internal combustion engines</a>"]
B --> K["<a href='/classifications/hs/v2022/842132'>842132: Machinery; catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines</a>"]
B --> L["<a href='/classifications/hs/v2022/842139'>842139: Machinery; for filtering or purifying gases, other than intake air filters, catalytic converters or particulate filters for internal combustion engines</a>"]
B --> M["<a href='/classifications/hs/v2022/842191'>842191: Centrifuges; parts thereof, including parts for centrifugal dryers</a>"]
B --> N["<a href='/classifications/hs/v2022/842199'>842199: Machinery; parts for filtering or purifying liquids or gases</a>"]

    

    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6
class J level6
class K level6
class L level6
class M level6
class N level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight