8481 - Taps, cocks, valves and similar appliances, for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves; parts thereof:

Sub-classifications

Commodity Code

Description

8481 1000

Pressure-reducing valves
- 8481 1000 20
  
  Hydraulic fluid power type
- Pneumatic fluid power type:
  - 8481 1000 40
    
    Filter-regulators and filter-regulator-lubricators
  - 8481 1000 60
    
    Other
- 8481 1000 90
  
  Other
8481 2000

Valves for oleohydraulic or pneumatic transmissions
- Hydraulic valves:
  - Directional control
    
    8481 2000 10
    
    Manual type
    
    8481 2000 20
    
    Solenoid type
    
    8481 2000 30
    
    Other
  - 8481 2000 40
    
    Flow control type
  - 8481 2000 50
    
    Other
- Other:
  - Directional control:
    
    8481 2000 60
    
    Solenoid type
    
    8481 2000 70
    
    Other
  - 8481 2000 80
    
    Other
8481 30

Check (nonreturn) valves:
- 8481 3010
  
  Of copper
  - 8481 3010 10
    
    Having a pressure rating under 850 kPa
  - 8481 3010 90
    
    Having a pressure rating of 850 kPa or over
- 8481 3020
  
  Of iron or steel
  - 8481 3020 10
    
    Of iron
  - 8481 3020 90
    
    Of steel
- 8481 3090 00
  
  Other
8481 4000 00

Safety or relief valves
8481 80

Other appliances:
- Hand operated:
  - 8481 8010
    
    Of copper
    
    Having a pressure rating under 850 kPa:
    
    8481 8010 20
    
    Bath and shower faucets
    
    8481 8010 30
    
    Sink and lavatory faucets
    
    8481 8010 40
    
    Supply stops
    
    8481 8010 50
    
    Other
    
    Having a pressure rating of 850 kPa or over:
    
    8481 8010 60
    
    Gate type
    
    8481 8010 70
    
    Globe type
    
    8481 8010 75
    
    Plug type
    
    8481 8010 85
    
    Ball type
    
    8481 8010 90
    
    Butterfly type
    
    8481 8010 95
    
    Other
  - 8481 8030
    
    Of iron or steel
    
    Of iron:
    
    8481 8030 10
    
    Gate type
    
    8481 8030 15
    
    Globe type
    
    8481 8030 20
    
    Plug type
    
    8481 8030 25
    
    Ball type
    
    8481 8030 30
    
    Butterfly type
    
    8481 8030 40
    
    Other
    
    Of steel:
    
    8481 8030 55
    
    Gate type
    
    8481 8030 60
    
    Globe type
    
    8481 8030 65
    
    Plug type
    
    8481 8030 70
    
    Ball type
    
    8481 8030 75
    
    Butterfly type
    
    8481 8030 90
    
    Other
  - 8481 8050
    
    Of other materials
    
    8481 8050 40
    
    Pressure spray can valves
    
    8481 8050 60
    
    Bath, shower, sink and lavatory faucets
    
    8481 8050 90
    
    Other
- 8481 8090
  
  Other
  - 8481 8090 05
    
    Solenoid valves
  - 8481 8090 10
    
    Ballcock mechanisms
  - 8481 8090 15
    
    Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level
  - Other:
    
    With electrical or electro-hydraulic actuators:
    
    8481 8090 20
    
    Control valves designed for proportional operation by a signal from a control device
    
    8481 8090 25
    
    Other
    
    8481 8090 30
    
    With hydraulic actuators
    
    With pneumatic actuators:
    
    8481 8090 35
    
    Control valves designed for proportional operation by a signal from a control device
    
    8481 8090 40
    
    Other
    
    8481 8090 45
    
    With thermostatic actuators
    
    8481 8090 50
    
    Other
8481 90

Parts:
- Of hand operated and check appliances:
  - 8481 9010 00
    
    Of copper
  - 8481 9030 00
    
    Of iron or steel
  - 8481 9050 00
    
    Of other materials
- 8481 9090
  
  Other
  - Of valves of subheading 8481.20:
    
    8481 9090 20
    
    Valve bodies
    
    8481 9090 40
    
    Other
  - Other:
    
    8481 9090 60
    
    Valve bodies
    
    Other:
    
    8481 9090 81
    
    Steel forgings
    
    8481 9090 85
    
    Other

Overview

Heading 8481 encompasses a wide array of valves and similar appliances designed for controlling the flow of substances within piping systems, boilers, tanks, and vats. This category specifically includes devices like taps, cocks, pressure-reducing valves, and thermostatically controlled valves. The primary function of these appliances is to regulate, direct, or shut off the passage of liquids, gases, or other media. It is important to distinguish these items from machinery components that might incorporate valves but whose primary function is not flow control itself.

Unlike sibling categories within Chapter 84, which cover a broad spectrum of machinery and mechanical appliances such as engines, turbines, or tools, heading 8481 is precisely focused on the flow control devices themselves. For instance, while a pump (e.g., in heading 8413) may contain integrated valves, the pump as a whole falls under its own heading, whereas a standalone valve for that pump would be classified here. Similarly, machinery for processing materials will have its own classification, separate from the valves that manage the intake or output of those materials.

Within heading 8481, further subheadings provide granular classification based on the specific type and function of the valve. Subheadings differentiate between pressure-reducing valves (8481.10), valves designed for hydraulic or pneumatic power transmission systems (8481.20), and check valves that allow flow in only one direction (8481.30). Safety or relief valves, designed to prevent over-pressurization (8481.40), are also a distinct category. Other appliances not falling into these specific types are captured under "Other appliances" (8481.80), and critical components of these devices are classified as "Parts" (8481.90).

Go up to Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

8481 - Taps, cocks, valves and similar appliances, for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves; parts thereof:

Sub-classifications

Overview

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