Key facts
- HS code
- 8481.30
- Covers
- Check (nonreturn) valves
- Edition
- HS2022
- Duty rates
- Set by each country’s tariff
Summary
HS code 8481.30 covers check (nonreturn) valves. It sits in heading 84.81 (taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof). Other goods of heading 84.81 are classified under 8481.10 (pressure-reducing valves), 8481.20 (valves for oleohydraulic or pneumatic transmissions), 8481.40 (safety or relief valves), 8481.80 (other appliances) or 1 other.
What this code covers
HS code 8481.30 covers check (nonreturn) valves.
The legal text of the subheading is “Check (nonreturn) valves”, in HS2022.
What it doesn’t cover
Other goods of heading 84.81 are classified under 8481.10 (pressure-reducing valves), 8481.20 (valves for oleohydraulic or pneumatic transmissions), 8481.40 (safety or relief valves), 8481.80 (other appliances) or 1 other.
How it is structured
8481.30 is a six-digit subheading. Its first two digits, 84, are the chapter; the first four, 8481, are heading 84.81; the last two, 30, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Subheading 8481.30
- Check (nonreturn) valves
In other countries
No national tariff lines under 8481.30 are live on border.bot yet. Tariffs built on the Harmonized System (HS2022) use 8481.30 at six digits and add their own digits after it.
Frequently asked questions
What does HS code 8481.30 cover?
HS code 8481.30 covers check (nonreturn) valves.
Which heading and chapter is HS code 8481.30 in?
HS code 8481.30 is in heading 84.81 (taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof).
Where are goods of heading 84.81 classified when 8481.30 doesn’t fit?
Other goods of heading 84.81 are classified under 8481.10 (pressure-reducing valves), 8481.20 (valves for oleohydraulic or pneumatic transmissions), 8481.40 (safety or relief valves), 8481.80 (other appliances) or 1 other.
Sources and updates
The Harmonized System legal text comes from border.bot release 1 (edition HS 2022), imported from a file, and has been live since 13 October 2026.
This page was last updated on 13 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.