Machinery; for filtering or purifying gases, other than intake air filters, catalytic converters or particulate filters for internal combustion engines

HS v2022 Code: 842139

About machinery; for filtering or purifying gases, other than intake air filters, catalytic converters or particulate filters for internal combustion engines

HS code 842139 covers a wide range of machinery used for filtering or purifying gases, excluding those specifically designed for internal combustion engines. This industry plays a crucial role in maintaining air quality, industrial processes, and environmental protection across various sectors, including manufacturing, energy, and healthcare. The global demand for these specialized filtration systems is driven by increasing environmental regulations, technological advancements, and the need for efficient industrial operations.

Production process

The production of machinery under HS code 842139 typically involves a combination of mechanical engineering, materials science, and advanced manufacturing techniques. Key steps include the design and fabrication of filter elements, housing structures, and control systems. Manufacturers may utilize processes such as metal stamping, welding, and precision machining to create the necessary components. Advancements in materials science have led to the development of high-performance filtration media, including membranes, activated carbon, and ceramic materials, which are then integrated into the final product.

Production inputs

The production of machinery under HS code 842139 requires a range of inputs, including 720810 Flat-rolled products of iron or non-alloy steel, 732690 Other articles of iron or steel, 392010 Plates, sheets, film, foil and strip, of plastics, non-cellular and not reinforced, laminated, supported or similarly combined with other materials, and specialized filtration media. Additionally, the industry relies on advanced manufacturing equipment, such as 845610 Machine tools for working any material by removal of material, by laser or other light or photon beam, ultrasonic, electro-discharge, electro-chemical, electron beam, ionic-beam or plasma arc processes, and 845620 Machine tools for working any material by removal of material, by grinding or polishing, to ensure precise and efficient production.

Production outputs

The primary output of HS code 842139 is a wide range of machinery and equipment used for filtering or purifying gases, such as 842139 Machinery; for filtering or purifying gases, other than intake air filters, catalytic converters or particulate filters for internal combustion engines, 842121 Machinery and apparatus; for filtering or purifying water, and 842199 Parts of machinery and apparatus for filtering or purifying gases. These products are essential for various industries, including 240220 Cigarettes; containing tobacco, 271019 Oils; petroleum oils and oils obtained from bituminous minerals, other than crude; preparations not elsewhere specified or included, containing by weight 70% or more of petroleum oils or of oils obtained from bituminous minerals, these being the basic constituents of the preparations; waste oils, and 300450 Medicaments; containing vitamins or other products of heading no. 2936, not put up in measured doses or in forms or packings for retail sale.

Revisions to 842139

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 842139. The most recent 1 version of this code (842139) is in the HS v2022 system (this version):

This page shows the most recent version of code 842139.

Family tree for machinery; for filtering or purifying gases, other than intake air filters, catalytic converters or particulate filters for internal combustion engines

    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/v2022/842139'>842139: Machinery; for filtering or purifying gases, other than intake air filters, catalytic converters or particulate filters for internal combustion engines</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/v2022/842129'>842129: Machinery; for filtering or purifying liquids, n.e.c. in item no. 8421.2</a>"]
B --> K["<a href='/classifications/hs/v2022/842131'>842131: Machinery; intake air filters for internal combustion engines</a>"]
B --> L["<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 --> 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