-Safety or relief valves

HS v2012 Code: 848140

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 page shows a legacy version of code 848140 ( HS v2012).

Older versions

Family tree for -safety or relief valves

    graph LR
    A["<a href='/classifications/hs/v2012/84'>84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof</a>"]
A --> B["<a href='/classifications/hs/v2012/8481'>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/v2012/848140'>848140: -Safety or relief valves</a>"]

    B --> D["<a href='/classifications/hs/v2012/848110'>848110: -Pressure-reducing valves</a>"]
B --> E["<a href='/classifications/hs/v2012/848120'>848120: -Valves for oleohydraulic or pneumatic transmissions</a>"]
B --> F["<a href='/classifications/hs/v2012/848130'>848130: -Check (nonreturn) valves</a>"]
B --> G["<a href='/classifications/hs/v2012/848180'>848180: -Other appliances</a>"]
B --> H["<a href='/classifications/hs/v2012/848190'>848190: -Parts</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