Subheading · Chapter 84 · Heading 8484
8484.20: Gaskets and similar joints of metal sheeting combined with: mechanical seals
Mechanical seals
Official description Mechanical seals
8484.20 is the HS subheading for mechanical seals, under heading 8484 in chapter 84.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 8484 20 00 00 Mechanical seals Free
- 8484 20 00 10 Mechanical shaft seal for incorporation into rotary compressors for use in the manufacture of motor vehicle air condition units Free
- 8484 20 00 90 Other Free
Additional duties and import rules
Charges on top of the customs duty, and rules the goods must meet at the border.
Additional duties and charges 2
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2022 No. 376
- Documents
- 9008
- Duty suspensionAirworthiness tariff suspension Free
- Applies to goods from
- all countries
- Legal act
- S.I. 2018/1249
- Documents
- C119 Authorised Release Certificate — EASA Form 1 (Appendix I to Annex I to Regulation (EU) No 748/2012), or equivalent certificate
Import requirements 3
- Prohibition or restrictionImport prohibition
- Applies to goods from
- North Korea
- Legal act
- S.I. 2019/411
- Import controlRestriction on entry into free circulation
- Applies to goods from
- Ukraine
- Legal act
- S.I. 2022/395
- Documents
- 9009
- 9010
- 9017
- Import controlImport control on restricted goods and technologies
- Applies to goods from
- Iran, North Korea
- Legal act
- S.I. 2019/461, S.I. 2019/411
- Documents
- Y966 Goods other than those described in the MG footnotes linked to the measure (Missile Technology Control Regime list - Annex III of Reg. (EU) 267/2012)
- Y920 Goods other than those described in the footnotes linked to the measure
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| standard rate (no agreement) | — | Free |
| DCTS Comprehensive | Afghanistan, Angola, Bangladesh, Benin and 38 moreAfghanistan, Angola, Bangladesh, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Central African Republic, Chad, Comoros, Congo - Kinshasa, Djibouti, Eritrea, Ethiopia, Gambia, Guinea, Guinea-Bissau, Haiti, Kiribati, Laos, Liberia, Malawi, Mali, Mauritania, Myanmar (Burma), Nepal, Niger, Rwanda, São Tomé & Príncipe, Senegal, Sierra Leone, Somalia, South Sudan, Sudan, Tanzania, Timor-Leste, Togo, Tuvalu, Uganda, Yemen, Zambia | Free |
| European Union (including code "EU") | Free | |
| DCTS Enhanced | Algeria, Bolivia, Cape Verde, Congo - Brazzaville and 13 moreAlgeria, Bolivia, Cape Verde, Congo - Brazzaville, Cook Islands, Kyrgyzstan, Micronesia, Mongolia, Nigeria, Niue, Pakistan, Philippines, Sri Lanka, Syria, Tajikistan, Uzbekistan, Vanuatu | Free |
| CARIFORUM | Antigua & Barbuda, Bahamas, Barbados, Belize and 10 moreAntigua & Barbuda, Bahamas, Barbados, Belize, Dominica, Dominican Republic, Grenada, Guyana, Jamaica, St Kitts & Nevis, St Lucia, St Vincent & the Grenadines, Suriname, Trinidad & Tobago | Free |
| OCTs (Overseas Countries and Territories) | Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands and 7 moreAnguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands, Cayman Islands, Falkland Islands, Montserrat, Pitcairn Islands, South Georgia & South Sandwich Islands, St Helena, Turks & Caicos Islands | Free |
| Central America | Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama | Free |
| SADC EPA | Botswana, Eswatini, Lesotho, Mozambique, Namibia | Free |
| Eastern and Southern Africa States | Madagascar, Mauritius, Seychelles, Zimbabwe | Free |
| CPTPP | Brunei, Malaysia | Free |
| UK–Andorra agreement | Andorra | Free |
| UK–Albania agreement | Albania | Free |
| UK–Australia agreement | Australia | Free |
| UK–Canada agreement | Canada | Free |
| UK–Switzerland agreement | Switzerland | Free |
| UK–Côte d’Ivoire agreement | Côte d’Ivoire | Free |
| UK–Chile agreement | Chile | Free |
| UK–Cameroon agreement | Cameroon | Free |
| UK–Colombia agreement | Colombia | Free |
| UK–Ceuta & Melilla agreement | Ceuta & Melilla | Free |
| UK–Ecuador agreement | Ecuador | Free |
| UK–Egypt agreement | Egypt | Free |
| UK–Fiji agreement | Fiji | Free |
| UK–Faroe Islands agreement | Faroe Islands | Free |
| UK–Georgia agreement | Georgia | Free |
| UK–Ghana agreement | Ghana | Free |
| DCTS Standard | Indonesia | Free |
| UK–Israel agreement | Israel | Free |
| UK–India agreement | India | Free |
| UK–Iceland agreement | Iceland | Free |
| UK–Jordan agreement | Jordan | Free |
| UK–Japan agreement | Japan | Free |
| UK–Kenya agreement | Kenya | Free |
| UK–South Korea agreement | South Korea | Free |
| UK–Lebanon agreement | Lebanon | Free |
| UK–Liechtenstein agreement | Liechtenstein | Free |
| UK–Morocco agreement | Morocco | Free |
| UK–Moldova agreement | Moldova | Free |
| UK–North Macedonia agreement | North Macedonia | Free |
| UK–Mexico agreement | Mexico | Free |
| UK–Norway agreement | Norway | Free |
| UK–New Zealand agreement | New Zealand | Free |
| UK–Peru agreement | Peru | Free |
| UK–Papua New Guinea agreement | Papua New Guinea | Free |
| UK–Palestinian Territories agreement | Palestinian Territories | Free |
| UK–Serbia agreement | Serbia | Free |
| UK–Solomon Islands agreement | Solomon Islands | Free |
| UK–Singapore agreement | Singapore | Free |
| UK–San Marino agreement | San Marino | Free |
| UK–Tunisia agreement | Tunisia | Free |
| UK–Türkiye agreement | Türkiye | Free |
| UK–Ukraine agreement | Ukraine | Free |
| UK–Vietnam agreement | Vietnam | Free |
| UK–Samoa agreement | Samoa | Free |
| UK–Kosovo agreement | Kosovo | Free |
| UK–South Africa agreement | South Africa | Free |
UK: imports by month
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 United States | £18.5m | 20% | +3.7% |
| United Kingdom | £14.8m | 16% | -12.5% |
 Germany | £14.3m | 15.5% | -3.3% |
 France | £9.3m | 10.1% | +24.1% |
 China | £6.4m | 7% | +18.3% |
 Czechia | £3.7m | 4% | -31% |
 South Korea | £3.1m | 3.4% | +18.5% |
 Belgium | £2.7m | 3% | +29.6% |
Same subheading in other tariffs
EU
TürkiyeWorld trade in 2024
Trade value (US$) no reported trade < US$91.1kUS$91.1k+US$2.9m+US$39m+> US$171.3m
Exports: 172
- Germany: US$640.4m
- United States: US$640.1m
- China: US$271.2m
- United Kingdom: US$224.5m
- France: US$171.3m
- Japan: US$149.3m
- Netherlands: US$106.3m
- Italy: US$102.7m
- Mexico: US$95.8m
- Czechia: US$87.5m
- Sweden: US$74m
- India: US$58.2m
- South Korea: US$50m
- Singapore: US$48.6m
- Canada: US$48.2m
- Austria: US$42m
- Taiwan: US$39m
- Belgium: US$34.2m
- Denmark: US$33.4m
- Türkiye: US$31.7m
- Spain: US$31.7m
- Poland: US$27.7m
- Switzerland: US$26.7m
- Hungary: US$23.7m
- Indonesia: US$20.5m
- Ireland: US$18.3m
- Norway: US$15.3m
- Australia: US$14.7m
- Malaysia: US$13.9m
- Finland: US$12.3m
- Brazil: US$11.9m
- United Arab Emirates: US$11.6m
- South Africa: US$11.1m
- Thailand: US$9.8m
- Vietnam: US$8.8m
- Russia: US$5.7m
- Romania: US$4.9m
- Morocco: US$3.9m
- Colombia: US$3.5m
- Greece: US$2.9m
- Portugal: US$2.9m
- New Zealand: US$2.8m
- Serbia: US$2.7m
- Kazakhstan: US$2.2m
- Saudi Arabia: US$2.2m
- Slovenia: US$2.1m
- Malta: US$1.6m
- Hong Kong SAR China: US$1.5m
- Slovakia: US$1.3m
- Luxembourg: US$1.3m
- Croatia: US$1.2m
- Bulgaria: US$1.1m
- Israel: US$1.1m
- Ukraine: US$965.9k
- Kuwait: US$877.8k
- Egypt: US$647.4k
- Argentina: US$635.6k
- Lithuania: US$633.8k
- Zambia: US$576.4k
- Estonia: US$538.6k
Trade value (US$) no reported trade < US$1.5mUS$1.5m+US$9.6m+US$40.1m+> US$104.3m
Imports: 215
- United States: US$306.6m
- Germany: US$229.5m
- China: US$195.8m
- France: US$177.4m
- Canada: US$124.1m
- Singapore: US$116.5m
- Italy: US$104.3m
- United Kingdom: US$98.5m
- Mexico: US$92m
- Japan: US$89.2m
- Netherlands: US$81.1m
- India: US$78.6m
- Spain: US$77.6m
- South Korea: US$75.7m
- United Arab Emirates: US$75.5m
- Brazil: US$72.8m
- Australia: US$72.5m
- Saudi Arabia: US$64.3m
- Indonesia: US$62.7m
- Poland: US$52m
- Malaysia: US$45.1m
- Türkiye: US$40.1m
- Sweden: US$37.1m
- Norway: US$36.6m
- Russia: US$36.1m
- Switzerland: US$35.9m
- Belgium: US$35.7m
- South Africa: US$27.1m
- Romania: US$26.1m
- Thailand: US$26.1m
- Austria: US$25.1m
- Czechia: US$24.2m
- Finland: US$23.1m
- Morocco: US$22m
- Qatar: US$21.9m
- Taiwan: US$21.8m
- Angola: US$21.5m
- Denmark: US$21.2m
- Hungary: US$21m
- Kazakhstan: US$19.1m
- Chile: US$18.7m
- Vietnam: US$17.7m
- Argentina: US$17.3m
- Nigeria: US$15.7m
- Kuwait: US$15.4m
- Portugal: US$15.1m
- Colombia: US$14.4m
- Egypt: US$14.3m
- Peru: US$13.2m
- Algeria: US$12.7m
- Hong Kong SAR China: US$12.5m
- Ireland: US$12.1m
- New Zealand: US$10.7m
- Israel: US$9.6m
- Philippines: US$8.6m
- Slovakia: US$7.7m
- Iraq: US$7.6m
- Ecuador: US$7.5m
- Pakistan: US$7m
- Uzbekistan: US$6.8m
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | Germany | US$640.4m | 19.6% |
| 2 | United States | US$640.1m | 19.6% |
| 3 | China | US$271.2m | 8.3% |
| 4 | United Kingdom | US$224.5m | 6.9% |
| 5 | France | US$171.3m | 5.2% |
| 6 |  Japan | US$149.3m | 4.6% |
| 7 |  Netherlands | US$106.3m | 3.3% |
| 8 |  Italy | US$102.7m | 3.1% |
| 9 |  Mexico | US$95.8m | 2.9% |
| 10 | Czechia | US$87.5m | 2.7% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | United States | US$306.6m | 9.4% |
| 2 | Germany | US$229.5m | 7% |
| 3 | China | US$195.8m | 6% |
| 4 | France | US$177.4m | 5.4% |
| 5 |  Canada | US$124.1m | 3.8% |
| 6 |  Singapore | US$116.5m | 3.6% |
| 7 | Italy | US$104.3m | 3.2% |
| 8 | United Kingdom | US$98.5m | 3% |
| 9 | Mexico | US$92m | 2.8% |
| 10 | Japan | US$89.2m | 2.7% |
Binding rulings for similar goods 4
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.
- H303826 U.S. CBP
Protest No. 3901-17-102338; Classification of a trigger sprayer
- H250623 U.S. CBP
Application for Further Review of Protest Number 5309-13-100341; Tariff classification of a “thruster overhaul kit”
- 600012896 HMRC
A mechanical seal that is utilised in industrial applications where it is necessary to prevent leakage between rotary and stationary elements within process equipment. These assemblies comprise primary seal faces and secondary elastomeric seals held by a combination of machined or pressed…
- 600009883 HMRC
Mechanical Seals come in a variety of sizes, design types and material combinations. They typically consist of a spring loaded rotating element and a stationary element. Both elements contain a sealing face, manufactured from a variety of wear materials such as Carbon Graphite, Silicon Carbide,…
The UK Global Tariff divides subheading 8484.20 into 2 tariff lines; the duty is duty-free.
Subheading 8484.20 is a single line in the EU Combined Nomenclature, where the duty is 1.7%.
174 countries pay no duty in the UK thanks to trade agreements and preference schemes such as DCTS Comprehensive and European Union, against a standard rate of Free.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
Imports of mechanical seals into the UK came to £92.3m between September 2025 and August 2026 (down 2% on the year before); United States supplied 20%, followed by United Kingdom.
In 2024, countries exported mechanical seals worth US$3.3bn (−2.2% year on year).
The largest exporter was Germany (US$640.4m), followed by the United States.
Products classified here
Questions and answers
What is the HS code for gaskets and similar joints of metal sheeting combined with: mechanical seals?
Gaskets and similar joints of metal sheeting combined with: mechanical seals fall under HS subheading 8484.20, part of heading 8484, in section XVI of the Harmonized System.
What is the import duty on gaskets and similar joints of metal sheeting… in the UK?
Under the UK Global Tariff, imports under 8484.20 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on gaskets and similar joints of metal sheeting… in the EU?
Under the EU Combined Nomenclature, imports under 8484.20 from countries without a preferential agreement are charged at 1.7%. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most gaskets and similar joints of metal sheeting…?
Germany, with US$640.4m in 2024 (19.6% of world exports).
Which countries can export mechanical seals to the UK duty-free?
174 countries pay no duty under a trade agreement or preference scheme, among them partners under DCTS Comprehensive, European Union, DCTS Enhanced. The goods must meet the agreement’s rules of origin and the importer needs proof of origin; otherwise the standard rate of Free applies. Pick a country above to see its rate.
Is there anti-dumping duty on mechanical seals?
The UK charges additional duty of 35% on goods from Belarus and Russia. Lower rates apply to the named exporters listed in the measure.
Where does the UK import mechanical seals from?
In the 12 months to August 2026, the largest suppliers were United States (20%), United Kingdom (16%) and Germany (16%), out of total imports of £92.3m.