Machinery, plant and laboratory equipment; parts of equipment for treating materials by a process involving a change of temperature

HS v2017 Code: 841990

About machinery, plant and laboratory equipment; parts of equipment for treating materials by a process involving a change of temperature

hs code 841990 covers a diverse range of machinery, plant, and laboratory equipment used for processing materials through temperature-based methods. This industry plays a crucial role in various sectors, including manufacturing, chemical processing, and scientific research, enabling the transformation of raw materials into valuable products. The equipment and machinery classified under this code are essential for driving innovation, improving efficiency, and supporting the broader economy.

Production process

The production techniques for the equipment and machinery under hs code 841990 typically involve precision engineering, advanced manufacturing processes, and rigorous quality control measures. Depending on the specific application, the manufacturing process may include metal fabrication, assembly of complex components, and the integration of specialized control systems and sensors. Manufacturers in this industry often utilize computer-aided design (CAD) and computer-aided manufacturing (CAM) technologies to optimize the design and production of their products.

Production inputs

The main inputs required for the production of equipment and machinery under hs code 841990 include a variety of metals, such as steel, aluminum, and specialized alloys, as well as electronic components, control systems, and specialized tools and equipment. Manufacturers in this industry also rely on skilled labor, including engineers, technicians, and specialized machinists, to ensure the high-quality and reliable performance of their products.

Production outputs

The equipment and machinery classified under hs code 841990 are used in a wide range of industries, including 841950 Chemical industry machinery, 842119 Centrifuges, including centrifugal dryers, and 848180 Taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like. These products enable the processing, treatment, and transformation of materials through temperature-based methods, supporting industries such as chemical processing, pharmaceuticals, and scientific research.

Revisions to 841990

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 841990. The most recent 1 version of this code (841990) is in the HS v2022 system:

This page shows a legacy version of code 841990 ( HS v2017).

Older versions

Family tree for machinery, plant and laboratory equipment; parts of equipment for treating materials by a process involving a change of temperature

    graph LR
    A["<a href='/classifications/hs/v2017/84'>84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof</a>"]
A --> B["<a href='/classifications/hs/v2017/8419'>8419: Machinery, plant (not domestic), or laboratory equipment; electrically heated or not, (excluding items in 85.14) for the treatment of materials by a process involving change of temperature; including instantaneous or non electric storage water heaters</a>"]
B --> C["<a href='/classifications/hs/v2017/841990'>841990: Machinery, plant and laboratory equipment; parts of equipment for treating materials by a process involving a change of temperature</a>"]

    B --> D["<a href='/classifications/hs/v2017/841911'>841911: Heaters; instantaneous gas water heaters, for domestic or other purposes</a>"]
B --> E["<a href='/classifications/hs/v2017/841919'>841919: Heaters; instantaneous or storage water heaters, non-electric, other than instantaneous gas water heaters</a>"]
B --> F["<a href='/classifications/hs/v2017/841920'>841920: Sterilizers; for medical, surgical or laboratory use, not used for domestic purposes</a>"]
B --> G["<a href='/classifications/hs/v2017/841931'>841931: Dryers; for agricultural products, not used for domestic purposes</a>"]
B --> H["<a href='/classifications/hs/v2017/841932'>841932: Dryers; for wood, paper pulp, paper or paperboard, not used for domestic purposes</a>"]
B --> I["<a href='/classifications/hs/v2017/841939'>841939: Dryers; for products n.e.c. in heading no. 8419, not used for domestic purposes</a>"]
B --> J["<a href='/classifications/hs/v2017/841940'>841940: Distilling or rectifying plant; not used for domestic purposes</a>"]
B --> K["<a href='/classifications/hs/v2017/841950'>841950: Heat exchange units; not used for domestic purposes</a>"]
B --> L["<a href='/classifications/hs/v2017/841960'>841960: Machinery; for liquefying air or gas, not used for domestic purposes</a>"]
B --> M["<a href='/classifications/hs/v2017/841981'>841981: Machinery, plant and equipment; for making hot drinks, for cooking or heating food</a>"]
B --> N["<a href='/classifications/hs/v2017/841989'>841989: Machinery, plant and laboratory equipment; for treating materials by change of temperature, other than for making hot drinks or cooking or heating food</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