Harmonized Tariff Schedule of the United States · HTS code · HS 8481.40
8481.40.00: Safety or relief valves
Safety and relief valves
Not declarable on its own: use one of its 1 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026
- 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:
- 8481.40.00 Safety or relief valves
What you pay
Importing into USA
US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.
Additional duties and import rules
Charges on top of the customs duty, and rules the goods must meet at the border.
No additional measures recorded for this origin.
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| General (MFN) | — | 2% |
| US–Australia FTA AU | Australia | Free |
| US–Bahrain FTA BH | Bahrain | Free |
| US–Chile FTA CL | Chile | Free |
| US–Colombia TPA CO | Colombia | Free |
| US–Israel FTA IL | Israel | Free |
| US–Jordan FTA JO | Jordan | Free |
| US–Korea FTA KR | South Korea | Free |
| US–Morocco FTA MA | Morocco | Free |
| US–Oman FTA OM | Oman | Free |
| CAFTA-DR P | Costa Rica, Dominican Republic, El Salvador, Guatemala, Honduras, Nicaragua | Free |
| US–Panama TPA PA | Panama | Free |
| US–Peru TPA PE | Peru | Free |
| USMCA S | Canada, Mexico | Free |
| US–Singapore FTA SG | Singapore | Free |
| Column 2 | Cuba, North Korea, Russia, Belarus | 35% |
Special: reduced rates under trade agreements and preference programmes; the letters in brackets name the programmes (for example AU = Australia FTA, KR = Korea FTA).
Same subheading in other tariffs
8481.40 Safety or relief valves
UK 2% Third-country duty 4 tariff lines 
EU 2.2% Third-country duty 2 tariff lines 
Türkiye 2.2% Third-country duty 3 tariff lines 
Canada Free Third-country duty 5 tariff lines 
Mexico Free – 5% Third-country duty 4 tariff lines · average 1.3% 
Brazil 12.6% Third-country duty 1 tariff line 
Argentina 12.6% Third-country duty 3 tariff lines 
Peru Free Third-country duty 2 tariff lines 
New Zealand 5% Third-country duty 1 tariff line 
Japan Free Third-country duty 1 tariff line 
Taiwan 3% Third-country duty 1 tariff line 
GCC 5% Third-country duty 1 tariff line 
Switzerland Free Third-country duty 1 tariff line 
Norway Free Third-country duty 5 tariff lines 
North Macedonia 3% Third-country duty 2 tariff lines 
Nigeria 10% Third-country duty 1 tariff line Binding rulings for similar goods
Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.
Legal notes
Subheading notes
1. For the purposes of subheading 846520, the term ‘machining centres’ applies only to machine-tools for working wood, cork, bone, hard rubber, hard plastics or similar hard materials, which can carry out different types of machining operations by automatic tool change from a magazine or the like in conformity with a machining programme.
2. For the purposes of subheading 847149, the term ‘systems’ means automatic data-processing machines whose units satisfy the conditions laid down in note 6(C) to Chapter 84 and which comprise at least a central processing unit, one input unit (for example, a keyboard or a scanner), and one output unit (for example, a visual display unit or a printer).
3. For the purposes of subheading 848120, the expression ‘valves for oleohydraulic or pneumatic transmissions’ means valves which are used specifically in the transmission of ‘fluid power’ in a hydraulic or pneumatic system, where the energy source is supplied in the form of pressurized fluids (liquid or gas). These valves may be of any type (for example, pressure-reducing type, check type). Subheading 848120 takes precedence over all other subheadings of heading 8481.
4. Subheading 848240 applies only to bearings with cylindrical rollers of a uniform diameter not exceeding 5 mm and having a length which is at least three times the diameter. The ends of the rollers may be rounded.
In the Harmonized Tariff Schedule of the United States, 8481.40.00 is one of 1 line under subheading 8481.40, safety or relief valves.
The general duty is 2%, and quantities are declared in No., kg.
For the same subheading, the UK duty is 2%, the EU duty is 2.2%, the Türkiye duty is 2.2%, the Canada duty is free, the Mexico duty is 0%–5%, the Brazil duty is 12.6%, the Argentina duty is 12.6%, the Peru duty is free, the New Zealand duty is 5%, the Japan duty is free, the Taiwan duty is 3%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 3% and the Nigeria duty is 10%.
The United States imported goods of subheading 8481.40 worth US$567m in 2024; the largest supplier was Mexico, and the United Kingdom ranked 7th with US$30m.
Questions and answers
What is the USA import duty for HTS code 8481.40.00?
The general duty in the Harmonized Tariff Schedule of the United States is 2%; the supplementary unit is No., kg. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Is there a lower rate for 8481.40.00 under US trade agreements?
Yes. The Special column reads “Free (A, AU,B, BH, CL, CO,D,E, IL, JO, KR, MA, OM,P, PA, PE,S, SG)”: the letters in brackets name the agreements and programmes that grant it.
Where does the United States import these goods from?
For subheading 8481.40 as a whole, the largest supplier in 2024 was Mexico (US$108m), followed by Germany.
Typical products
Everyday names, not part of the legal text.