Valves; safety or relief valves, for pipes, boiler shells, tanks, vats or the like

HS v2022 Code: 848140

About valves; safety or relief valves, for pipes, boiler shells, tanks, vats or the like

HS code 848140 covers a crucial component in various industrial and commercial applications - safety or relief valves. These valves play a vital role in regulating pressure and ensuring the safe operation of pipes, boiler shells, tanks, vats, and other similar equipment. They are essential for maintaining the integrity and functionality of a wide range of systems, from manufacturing facilities to power plants, making them an integral part of the broader industrial landscape.

Production process

The production of safety or relief valves typically involves a combination of precision engineering, metallurgy, and advanced manufacturing techniques. Manufacturers often utilize computer-aided design (CAD) software to model and optimize the valve's components, ensuring optimal performance and reliability. The valves are then fabricated using a variety of methods, such as casting, forging, or machining, depending on the specific design and material requirements. Quality control measures, including rigorous testing and inspection, are crucial to ensure the valves meet industry standards and safety regulations.

Production inputs

The production of safety or relief valves requires a range of inputs, including specialized metals and alloys, such as stainless steel, brass, or bronze, which are chosen for their durability, corrosion resistance, and thermal properties. Additionally, manufacturers may utilize advanced materials, such as engineered plastics or composites, to enhance the valves' performance and reduce weight. Precision machinery, including CNC (Computer Numerical Control) machines and specialized tooling, are essential for the accurate fabrication and assembly of these components. Skilled labor, with expertise in engineering, metallurgy, and quality control, is also a critical input for this industry.

Production outputs

The primary output of HS code 848140 is the safety or relief valves themselves, which are then consumed by a wide range of industries, including 841989 Other machinery, plant or laboratory equipment for industrial applications, 840410 Auxiliary plant for use with boilers for boiler systems, and 842119 Filtering or purifying machinery and apparatus for liquids for various fluid processing systems. These valves play a crucial role in ensuring the safe and efficient operation of a diverse array of industrial and commercial equipment, making them an essential component in the broader supply chain.

Revisions to 848140

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 848140. The most recent 1 version of this code (848140) is in the HS v2022 system (this version):

This page shows the most recent version of code 848140.

Family tree for valves; safety or relief valves, for pipes, boiler shells, tanks, vats or the like

    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/v2022/8481'>8481: Taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves</a>"]
B --> C["<a href='/classifications/hs/v2022/848140'>848140: Valves; safety or relief valves, for pipes, boiler shells, tanks, vats or the like</a>"]

    B --> D["<a href='/classifications/hs/v2022/848110'>848110: Valves; pressure reducing, for pipes, boiler shells, tanks, vats or the like</a>"]
B --> E["<a href='/classifications/hs/v2022/848120'>848120: Valves; for oleohydraulic or pneumatic transmissions</a>"]
B --> F["<a href='/classifications/hs/v2022/848130'>848130: Valves; check (nonreturn) valves, for pipes, boiler shells, tanks, vats or the like</a>"]
B --> G["<a href='/classifications/hs/v2022/848180'>848180: Taps, cocks, valves and similar appliances; for pipes, boiler shells, tanks, vats or the like, including thermostatically controlled valves</a>"]
B --> H["<a href='/classifications/hs/v2022/848190'>848190: Taps, cocks, valves and similar appliances; parts thereof</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 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